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Michael Howell 12dc24f460 rustdoc-search: simplify rules for generics and type params 
This commit is a response to feedback on the displayed type
signatures results, by making generics act stricter.

Generics are tightened by making order significant. This means
`Vec<Allocator>` now matches only with a true vector of allocators,
instead of matching the second type param. It also makes unboxing
within generics stricter, so `Result<A, B>` only matches if `B`
is in the error type and `A` is in the success type. The top level
of the function search is unaffected.

Find the discussion on:

* <https://rust-lang.zulipchat.com/#narrow/stream/393423-t-rustdoc.2Fmeetings/topic/meeting.202024-07-08/near/449965149>
* <https://github.com/rust-lang/rust/pull/124544#issuecomment-2204272265>
* <https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/deciding.20on.20semantics.20of.20generics.20in.20rustdoc.20search/near/476841363>
2024-10-30 12:27:48 -07:00
..
abi
Rollup merge of #130225 - adetaylor:rename-old-receiver, r=wesleywiser
2024-10-24 14:19:53 +11:00
alloc-error
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allocator
UI tests: Rename "object safe" to "dyn compatible"
2024-10-10 01:13:29 +02:00
annotate-snippet
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anon-params
More accurate span for anonymous argument suggestion
2024-07-18 00:19:27 +00:00
argfile
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argument-suggestions
Added more scenarios where commas need to be removed
2024-10-20 17:14:53 +08:00
array-slice-vec
Tweak more warnings.
2024-10-28 14:20:28 +11:00
asm
Fix clobber_abi and disallow SVE-related registers in Arm64EC inline assembly
2024-10-14 05:30:45 +09:00
associated-consts
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
associated-inherent-types
Get rid of predicates_defined_on
2024-08-24 18:25:41 -04:00
associated-item
Compiler: Rename "object safe" to "dyn compatible"
2024-09-25 13:26:48 +02:00
associated-type-bounds
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
associated-types
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
async-await
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
attributes
misapplied optimize attribute throws a compilation error (#128488)
2024-10-20 08:34:15 -06:00
auto-traits
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
autodiff
Add pretty, ui, and feature-gate tests for the enzyme/autodiff frontend
2024-10-11 20:38:43 +02:00
autoref-autoderef
…
auxiliary
…
backtrace
Emscripten: Xfail backtrace ui tests
2024-10-16 12:22:14 +02:00
bench
…
binding
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
binop
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
blind
Accurate use rename suggestion span
2024-07-18 00:00:04 +00:00
block-result
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
borrowck
Re-do recursive const stability checks
2024-10-25 20:31:40 +02:00
box
…
btreemap
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
builtin-superkinds
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c-variadic
Check ABI target compatibility for function pointers
2024-09-23 14:04:22 +02:00
cast
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
cfg
Handle gracefully true/false in cfg(target(..)) compact
2024-10-16 09:41:49 +02:00
check-cfg
rustc_target: Add pauth-lr aarch64 target feature
2024-10-16 18:00:51 +01:00
closure_context
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closure-expected-type
…
closures
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
cmse-nonsecure
improve error messages for C-cmse-nonsecure-entry functions
2024-10-14 22:32:32 +02:00
codegen
move strict provenance lints to new feature gate, remove old feature gates
2024-10-21 15:22:17 +01:00
codemap_tests
Update tests
2024-08-10 12:07:17 +02:00
coercion
Check allow instantiating object trait binder when upcasting and in new solver
2024-09-26 22:26:29 -04:00
coherence
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
coinduction
…
command
Fix must_use lint for command exec tests
2024-10-17 06:33:35 -07:00
compare-method
show unit output when there is only output diff in diagnostics
2024-07-06 21:00:30 +08:00
compiletest-self-test
Update expectations
2024-08-11 09:58:11 +01:00
conditional-compilation
Return earlier in some cases in collect_token.
2024-08-23 14:40:08 +10:00
confuse-field-and-method
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const_prop
…
const-generics
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
const-ptr
on a signed deref check, mention the right pointer in the error
2024-08-01 14:25:19 +02:00
consts
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
coroutine
Rollup merge of #132157 - estebank:long-types-3, r=jieyouxu
2024-10-29 18:38:58 +01:00
coverage-attr
Rename directive needs-profiler-support to needs-profiler-runtime
2024-10-09 20:58:27 +11:00
crate-loading
…
cross
…
cross-crate
…
custom_test_frameworks
…
cycle-trait
…
debuginfo
TL note: current means target
2024-09-20 10:02:14 -07:00
definition-reachable
…
delegation
Hack out effects support for old solver
2024-10-28 21:42:14 +00:00
dep-graph
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deployment-target
…
deprecation
…
deref-patterns
…
derived-errors
…
derives
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
deriving
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
dest-prop
…
destructuring-assignment
…
diagnostic_namespace
Stop inverting expectation in normalization errors
2024-10-16 13:44:56 -04:00
diagnostic-flags
…
diagnostic-width
…
did_you_mean
Rollup merge of #130826 - fmease:compiler-mv-obj-safe-dyn-compat, r=compiler-errors
2024-09-27 21:35:08 +02:00
directory_ownership
…
disallowed-deconstructing
…
dollar-crate
…
drop
Rollup merge of #131984 - dingxiangfei2009:stabilize-if-let-rescope, r=traviscross,lcnr
2024-10-29 18:38:57 +01:00
drop-bounds
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dropck
Hack out effects support for old solver
2024-10-28 21:42:14 +00:00
dst
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
duplicate
Explicitly mark a hack as a HACK and elaborate its comment
2024-09-18 19:36:44 +02:00
dyn-compatibility
Don't assume traits used as type are trait objs
2024-10-11 17:36:04 +02:00
dyn-drop
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dyn-keyword
Don't assume traits used as type are trait objs
2024-10-11 17:36:04 +02:00
dyn-star
unify dyn* coercions with other pointer coercions
2024-09-24 22:17:55 +02:00
dynamically-sized-types
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editions
Tweak more warnings.
2024-10-28 14:20:28 +11:00
empty
Suggest the struct variant pattern syntax on usage of unit variant pattern for a struct variant
2024-08-28 22:55:57 +09:00
entry-point
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enum
More accurate suggestions when writing wrong style of enum variant literal
2024-07-18 18:20:35 +00:00
enum-discriminant
Update tests
2024-08-10 12:07:17 +02:00
env-macro
…
error-codes
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
error-emitter
…
errors
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
explicit
…
explicit-tail-calls
doc fixups from review
2024-07-07 18:16:38 +02:00
expr
More accurate suggestions when writing wrong style of enum variant literal
2024-07-18 18:20:35 +00:00
extern
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
extern-flag
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feature-gates
rustdoc-search: simplify rules for generics and type params
2024-10-30 12:27:48 -07:00
ffi-attrs
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float
move f16/f128 const fn under f16/f128 feature gate
2024-10-05 10:13:18 +02:00
fmt
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
fn
Enforce supertrait outlives obligations hold when confirming impl
2024-08-05 09:55:14 -04:00
fn-main
…
for
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
for-loop-while
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
foreign
Don't ICE on Fn trait error for foreign fn
2024-08-16 14:10:06 -04:00
fuel
…
fully-qualified-type
…
function-pointer
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
functional-struct-update
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
functions-closures
…
generic-associated-types
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
generic-const-items
fix(hir_analysis/wfcheck): don't leak {type error}
2024-09-29 23:40:43 -05:00
generics
elided_named_lifetimes: bless & add tests
2024-08-31 15:35:42 +03:00
half-open-range-patterns
On function and method calls in patterns, link to the book
2024-10-06 01:44:59 +00:00
hashmap
…
hello_world
…
higher-ranked
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
hygiene
Bless a test for #70963
2024-09-20 01:20:10 +03:00
illegal-sized-bound
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impl-header-lifetime-elision
…
impl-trait
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
implied-bounds
Adjust tests
2024-09-05 06:37:38 -04:00
imports
skip updating when external binding is existed
2024-08-20 20:34:13 +08:00
include-macros
…
incoherent-inherent-impls
…
indexing
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
inference
On implicit Sized bound on fn argument, point at type instead of pattern
2024-09-27 00:45:02 +00:00
infinite
only query params_in_repr if def kind is adt
2024-10-02 17:36:31 +08:00
inherent-impls-overlap-check
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inline-const
stabilize const_mut_refs
2024-09-15 09:51:32 +02:00
instrument-coverage
coverage. Adapt to mcdc mapping formats introduced by llvm 19
2024-10-08 11:15:24 +08:00
instrument-xray
…
interior-mutability
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
internal
stabilize const_fn_floating_point_arithmetic
2024-08-22 08:25:54 +02:00
internal-lints
…
intrinsics
Hack out effects support for old solver
2024-10-28 21:42:14 +00:00
invalid
…
invalid-compile-flags
rust_for_linux: -Zregparm=<N> commandline flag for X86 (#116972)
2024-10-18 00:29:31 +07:00
invalid-module-declaration
…
invalid-self-argument
…
io-checks
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
issues
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
iterators
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
json
On short error format, append primary span label to message
2024-08-06 04:08:10 +00:00
keyword
Structured suggestion for extern crate foo when foo isn't resolved in import
2024-07-29 23:49:51 +00:00
kindck
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
label
Make parse error suggestions verbose and fix spans
2024-07-12 03:02:57 +00:00
lang-items
Let InstCombine remove Clone shims inside Clone shims
2024-07-25 15:14:42 -04:00
late-bound-lifetimes
Revert suggestion verbosity change
2024-07-22 22:51:53 +00:00
layout
Revert "Emit error when calling/declaring functions with unavailable vectors."
2024-10-25 20:42:09 +00:00
lazy-type-alias
Don't call const normalize in error reporting
2024-09-22 13:55:06 -04:00
lazy-type-alias-impl-trait
…
let-else
Make ; suggestions inline
2024-07-12 03:22:32 +00:00
lexer
Reserve prefix lifetimes too
2024-09-06 10:32:48 -04:00
lifetimes
stabilize shorter-tail-lifetimes
2024-10-24 01:56:08 +08:00
limits
TL note: current means target
2024-09-20 10:02:14 -07:00
linkage-attr
port tests/ui/linkage-attr/framework to run-make
2024-10-27 21:23:28 -04:00
lint
Auto merge of #130860 - tmandry:fix-directives, r=jieyouxu
2024-10-30 10:28:56 +00:00
liveness
Better span for "make binding mutable" suggestion
2024-07-04 02:02:21 +00:00
loops
…
lowering
…
lto
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
lub-glb
…
macro_backtrace
…
macros
Tweak more warnings.
2024-10-28 14:20:28 +11:00
malformed
Be more accurate about calculating display_col from a BytePos
2024-07-18 20:08:38 +00:00
manual
…
marker_trait_attr
…
match
Match ergonomics 2024: test type inference
2024-07-05 11:17:49 -04:00
meta
Remap path refix in the panic message
2024-10-12 09:41:42 +08:00
methods
Don't give method suggestions when method probe fails due to bad impl of Deref
2024-09-29 11:57:18 -04:00
mir
stabilize if_let_rescope
2024-10-24 04:33:14 +08:00
mir-dataflow
…
mismatched_types
Use wide pointers consistenly across the compiler
2024-10-04 14:06:48 +02:00
missing
…
missing_non_modrs_mod
…
missing-trait-bounds
…
modules
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
modules_and_files_visibility
…
moves
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
mut
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
namespace
…
native-library-link-flags
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
never_type
Deny calls to non-#[const_trait] methods in MIR constck
2024-10-26 11:35:56 +08:00
nll
stabilize if_let_rescope
2024-10-24 04:33:14 +08:00
no_std
…
non_modrs_mods
…
non_modrs_mods_and_inline_mods
…
not-panic
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
numbers-arithmetic
Don't call const normalize in error reporting
2024-09-22 13:55:06 -04:00
numeric
Tweak "field not found" suggestion when giving struct literal for tuple struct type
2024-07-18 18:20:35 +00:00
object-lifetime
Hack around a conflict with clippy::needless_lifetimes
2024-09-06 17:06:35 +03:00
obsolete-in-place
…
offset-of
Rollup merge of #132332 - nnethercote:use-token_descr-more, r=estebank
2024-10-30 06:40:36 +01:00
on-unimplemented
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
operator-recovery
Make parse error suggestions verbose and fix spans
2024-07-12 03:02:57 +00:00
or-patterns
Tweak more warnings.
2024-10-28 14:20:28 +11:00
overloaded
…
packed
stabilize raw_ref_op
2024-08-18 19:46:53 +02:00
panic-handler
fix typo in 'lang item with track_caller' message
2024-10-05 17:12:46 +02:00
panic-runtime
…
panics
Add and adapt tests
2024-09-27 14:40:38 +01:00
parallel-rustc
…
parser
Rollup merge of #132332 - nnethercote:use-token_descr-more, r=estebank
2024-10-30 06:40:36 +01:00
patchable-function-entry
Updated diagnostic messages
2024-06-27 22:24:36 +02:00
pattern
Rollup merge of #131381 - Nadrieril:min-match-ergonomics, r=pnkfelix
2024-10-16 19:18:30 +02:00
pin-macro
…
polymorphization
Don't inline tainted MIR bodies
2024-08-08 20:53:25 -04:00
precondition-checks
Warn on redundant --cfg directive when revisions are used
2024-10-19 12:40:12 +00:00
print_type_sizes
…
privacy
Rename Receiver -> LegacyReceiver
2024-10-22 12:55:16 +00:00
proc-macro
Tweak expand_incomplete_parse warning.
2024-10-28 14:12:45 +11:00
process
Fix most ui tests on emscripten target
2024-10-15 14:25:55 +02:00
process-termination
…
ptr_ops
…
pub
Bless test fallout
2024-08-03 07:57:31 -04:00
qualified
…
query-system
…
range
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
raw-ref-op
Be far more strict about what we consider to be a read of never
2024-10-05 19:10:47 -04:00
reachable
Be far more strict about what we consider to be a read of never
2024-10-05 19:10:47 -04:00
recursion
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
recursion_limit
…
regions
be even more precise about "cast" vs "coercion"
2024-09-24 23:12:02 +02:00
repeat-expr
Account for let foo = expr; to suggest const foo: Ty = expr;
2024-07-11 20:39:24 +00:00
repr
Error on alignments greater than isize::MAX
2024-10-28 13:17:37 +08:00
reserved
…
resolve
Deny calls to non-#[const_trait] methods in MIR constck
2024-10-26 11:35:56 +08:00
return
Fixing span manipulation and indentation of the suggestion introduced by #126187
2024-08-25 20:30:06 +08:00
rfcs
Rollup merge of #132332 - nnethercote:use-token_descr-more, r=estebank
2024-10-30 06:40:36 +01:00
rmeta
…
runtime
std: fix stdout-before-main
2024-10-12 13:01:36 +02:00
rust-2018
diagnostics: do not warn when a lifetime bound infers itself
2024-08-09 16:16:16 -07:00
rust-2021
Don't assume traits used as type are trait objs
2024-10-11 17:36:04 +02:00
rust-2024
Remove unadorned
2024-10-11 11:30:08 -04:00
rustc-env
…
rustdoc
Be more accurate about calculating display_col from a BytePos
2024-07-18 20:08:38 +00:00
sanitizer
Warn on redundant --cfg directive when revisions are used
2024-10-19 12:40:12 +00:00
self
Deny calls to non-#[const_trait] methods in MIR constck
2024-10-26 11:35:56 +08:00
sepcomp
…
shadowed
…
shell-argfiles
…
simd
Update the minimum external LLVM to 18
2024-09-18 13:53:31 -07:00
single-use-lifetime
…
sized
On function and method calls in patterns, link to the book
2024-10-06 01:44:59 +00:00
span
Don't call const normalize in error reporting
2024-09-22 13:55:06 -04:00
specialization
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
stability-attribute
Re-do recursive const stability checks
2024-10-25 20:31:40 +02:00
stable-mir-print
Set up false edges in lower_match_tree
2024-07-29 09:50:07 +02:00
stack-protector
…
static
Don't emit null pointer lint for raw ref of null deref
2024-10-06 22:36:51 -04:00
statics
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
stats
Represent TraitBoundModifiers as distinct parts in HIR
2024-10-22 19:48:44 +00:00
std
Fix most ui tests on emscripten target
2024-10-15 14:25:55 +02:00
stdlib-unit-tests
…
str
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
structs
Test more cases of WF-checking for fields
2024-08-05 17:56:50 -07:00
structs-enums
move strict provenance lints to new feature gate, remove old feature gates
2024-10-21 15:22:17 +01:00
suggestions
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
svh
…
symbol-mangling-version
…
symbol-names
Split part of adt_const_params into unsized_const_params
2024-07-17 11:01:29 +01:00
sync
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
target-feature
Re-do recursive const stability checks
2024-10-25 20:31:40 +02:00
test-attrs
Update name of Windows abort constant to match platform documentation
2024-07-15 22:21:41 +00:00
thir-print
Lower AST node id only once
2024-10-28 14:12:17 +08:00
thread-local
Auto merge of #124895 - obeis:static-mut-hidden-ref, r=compiler-errors
2024-09-20 17:25:34 +00:00
threads-sendsync
format code in tests/ui/threads-sendsync
2024-08-24 05:32:52 +02:00
tool-attributes
Fix diagnostic and add a test for it
2024-07-10 18:56:06 -04:00
track-diagnostics
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
trait-bounds
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
traits
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
transmutability
Fix transmute goal
2024-10-19 18:07:35 +00:00
transmute
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
treat-err-as-bug
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
trivial-bounds
Improve the impl and diag output of lint type_alias_bounds
2024-07-23 01:48:03 +02:00
try-block
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
try-trait
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
tuple
Use ordinal number in argument error
2024-07-14 13:50:09 +09:00
type
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
type-alias
Suggest full trait ref (with placeholders) on unresolved assoc tys
2024-07-23 01:26:25 +02:00
type-alias-enum-variants
Suggest the struct variant pattern syntax on usage of unit variant pattern for a struct variant
2024-08-28 22:55:57 +09:00
type-alias-impl-trait
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
type-inference
make invalid_type_param_default lint show up in cargo future-compat reports
2024-07-15 22:05:45 +02:00
typeck
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
typeof
Account for let foo = expr; to suggest const foo: Ty = expr;
2024-07-11 20:39:24 +00:00
ufcs
Don't call const normalize in error reporting
2024-09-22 13:55:06 -04:00
unboxed-closures
Revert suggestion verbosity change
2024-07-22 22:51:53 +00:00
underscore-imports
Structured suggestion for extern crate foo when foo isn't resolved in import
2024-07-29 23:49:51 +00:00
underscore-lifetime
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uniform-paths
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uninhabited
Add a machine-applicable suggestion to "unreachable pattern"
2024-09-13 21:01:29 +02:00
union
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
unknown-unstable-lints
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unop
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
unpretty
Print unsafety of attribute in AST unpretty
2024-10-26 13:33:36 +02:00
unresolved
Structured suggestion for extern crate foo when foo isn't resolved in import
2024-07-29 23:49:51 +00:00
unsafe
A raw ref of a deref is always safe
2024-10-06 22:35:40 -04:00
unsized
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
unsized-locals
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
unused-crate-deps
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unwind-abis
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use
Suppress import errors for traits that couldve applied in method lookup on error
2024-10-14 14:40:11 -04:00
variance
Don't report bivariance error when nesting a struct with field errors into another struct
2024-10-15 14:58:54 -04:00
variants
Accurate use rename suggestion span
2024-07-18 00:00:04 +00:00
version
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warnings
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wasm
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wf
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
where-clauses
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while
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windows-subsystem
rewrite test-harness to rmake
2024-07-02 11:37:59 -04:00
zero-sized
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.gitattributes
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alias-uninit-value.rs
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allow-non-lint-warnings.rs
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anonymous-higher-ranked-lifetime.rs
…
anonymous-higher-ranked-lifetime.stderr
…
artificial-block.rs
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as-precedence.rs
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assign-assign.rs
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assign-imm-local-twice.rs
Better span for "make binding mutable" suggestion
2024-07-04 02:02:21 +00:00
assign-imm-local-twice.stderr
Better span for "make binding mutable" suggestion
2024-07-04 02:02:21 +00:00
assoc-lang-items.rs
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assoc-lang-items.stderr
…
assoc-oddities-3.rs
…
associated-path-shl.rs
…
associated-path-shl.stderr
…
atomic-from-mut-not-available.rs
…
atomic-from-mut-not-available.stderr
…
attempted-access-non-fatal.rs
…
attempted-access-non-fatal.stderr
…
attr-bad-crate-attr.rs
…
attr-bad-crate-attr.stderr
…
attr-shebang.rs
…
attr-start.rs
…
attr-usage-inline.rs
…
attr-usage-inline.stderr
…
attrs-resolution-errors.rs
…
attrs-resolution-errors.stderr
…
attrs-resolution.rs
…
augmented-assignments-feature-gate-cross.rs
…
augmented-assignments-rpass.rs
…
augmented-assignments.rs
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
augmented-assignments.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
auto-instantiate.rs
…
auto-ref-slice-plus-ref.rs
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auto-ref-slice-plus-ref.stderr
…
autoderef-full-lval.rs
…
autoderef-full-lval.stderr
…
bare-fn-implements-fn-mut.rs
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bare-static-string.rs
…
big-literals.rs
…
bind-by-move.rs
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bitwise.rs
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bogus-tag.rs
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bogus-tag.stderr
…
borrow-by-val-method-receiver.rs
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bounds-lifetime.rs
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bounds-lifetime.stderr
…
break-diverging-value.rs
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break-diverging-value.stderr
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builtin-clone-unwind.rs
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can-copy-pod.rs
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cancel-clean-via-immediate-rvalue-ref.rs
…
cannot-mutate-captured-non-mut-var.rs
…
cannot-mutate-captured-non-mut-var.stderr
More accurate mutability suggestion
2024-07-04 05:36:34 +00:00
capture1.rs
…
capture1.stderr
…
catch-unwind-bang.rs
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cenum_impl_drop_cast.rs
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cenum_impl_drop_cast.stderr
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cfguard-run.rs
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char.rs
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class-cast-to-trait.rs
…
class-cast-to-trait.stderr
…
class-method-missing.rs
…
class-method-missing.stderr
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cleanup-rvalue-for-scope.rs
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cleanup-rvalue-scopes-cf.rs
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cleanup-rvalue-scopes-cf.stderr
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cleanup-rvalue-scopes.rs
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cleanup-rvalue-temp-during-incomplete-alloc.rs
…
cleanup-shortcircuit.rs
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close-over-big-then-small-data.rs
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command-line-diagnostics.rs
…
command-line-diagnostics.stderr
Better span for "make binding mutable" suggestion
2024-07-04 02:02:21 +00:00
complex.rs
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conservative_impl_trait.rs
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conservative_impl_trait.stderr
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constructor-lifetime-args.rs
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constructor-lifetime-args.stderr
Revert suggestion verbosity change
2024-07-22 22:51:53 +00:00
copy-a-resource.rs
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copy-a-resource.stderr
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crate-leading-sep.rs
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crate-method-reexport-grrrrrrr.rs
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crate-name-attr-used.rs
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crate-name-mismatch.rs
…
crate-name-mismatch.stderr
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custom_attribute.rs
…
custom_attribute.stderr
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custom-attribute-multisegment.rs
…
custom-attribute-multisegment.stderr
…
custom-test-frameworks-simple.rs
…
deduplicate-diagnostics.deduplicate.stderr
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deduplicate-diagnostics.duplicate.stderr
…
deduplicate-diagnostics.rs
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deep.rs
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default-method-parsing.rs
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default-method-simple.rs
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defaults-well-formedness.rs
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deprecation-in-force-unstable.rs
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deref-non-pointer.rs
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deref-non-pointer.stderr
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deref-rc.rs
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deref.rs
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derive-uninhabited-enum-38885.rs
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derive-uninhabited-enum-38885.stderr
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destructure-trait-ref.rs
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destructure-trait-ref.stderr
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diverging-fallback-method-chain.rs
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diverging-fallback-option.rs
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diverging-fn-tail-35849.rs
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diverging-fn-tail-35849.stderr
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double-ref.rs
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double-type-import.rs
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double-type-import.stderr
…
dupe-first-attr.rs
…
duplicate_entry_error.rs
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
duplicate_entry_error.stderr
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duplicate-label-E0381-issue-129274.rs
Deduplicate Spans in Uninitialized Check
2024-08-22 09:36:14 -07:00
duplicate-label-E0381-issue-129274.stderr
Deduplicate Spans in Uninitialized Check
2024-08-22 09:36:14 -07:00
early-ret-binop-add.rs
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elide-errors-on-mismatched-tuple.rs
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elide-errors-on-mismatched-tuple.stderr
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elided-test.rs
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elided-test.stderr
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else-if.rs
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empty-allocation-non-null.rs
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empty-allocation-rvalue-non-null.rs
…
empty-type-parameter-list.rs
…
empty-type-parameter-list.stderr
…
error-festival.rs
…
error-festival.stderr
Use wide pointers consistenly across the compiler
2024-10-04 14:06:48 +02:00
error-should-say-copy-not-pod.rs
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error-should-say-copy-not-pod.stderr
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exclusive-drop-and-copy.rs
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exclusive-drop-and-copy.stderr
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explain.rs
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explain.stdout
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explicit-i-suffix.rs
…
explore-issue-38412.rs
…
explore-issue-38412.stderr
…
ext-expand-inner-exprs.rs
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ext-nonexistent.rs
…
ext-nonexistent.stderr
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fact.rs
…
fail-simple.rs
Tweak more warnings.
2024-10-28 14:20:28 +11:00
fail-simple.stderr
Tweak more warnings.
2024-10-28 14:20:28 +11:00
filter-block-view-items.rs
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format-no-std.rs
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fun-indirect-call.rs
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future-incompatible-lint-group.rs
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future-incompatible-lint-group.stderr
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global-scope.rs
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hello.rs
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illegal-ufcs-drop.fixed
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illegal-ufcs-drop.rs
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illegal-ufcs-drop.stderr
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impl-inherent-non-conflict.rs
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impl-not-adjacent-to-type.rs
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impl-privacy-xc-1.rs
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impl-unused-rps-in-assoc-type.rs
…
impl-unused-rps-in-assoc-type.stderr
…
impl-unused-tps-inherent.rs
…
impl-unused-tps-inherent.stderr
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impl-unused-tps.rs
stabilize -Znext-solver=coherence
2024-10-15 13:11:00 +02:00
impl-unused-tps.stderr
stabilize -Znext-solver=coherence
2024-10-15 13:11:00 +02:00
implicit-method-bind.rs
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implicit-method-bind.stderr
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inline-disallow-on-variant.rs
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inline-disallow-on-variant.stderr
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inlined-main.rs
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inner-attrs-on-impl.rs
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inner-module.rs
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inner-static-type-parameter.rs
…
inner-static-type-parameter.stderr
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inner-static.rs
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integral-indexing.rs
…
integral-indexing.stderr
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
integral-variable-unification-error.rs
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integral-variable-unification-error.stderr
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invalid_crate_type_syntax.rs
…
invalid_crate_type_syntax.stderr
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invalid_dispatch_from_dyn_impls.rs
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invalid_dispatch_from_dyn_impls.stderr
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issue-11881.rs
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issue-13560.rs
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issue-15924.rs
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issue-16822.rs
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issue-18502.rs
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issue-24106.rs
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issue-76387-llvm-miscompile.rs
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issues-71798.rs
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issues-71798.stderr
…
item-name-overload.rs
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kinds-in-metadata.rs
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kinds-of-primitive-impl.rs
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kinds-of-primitive-impl.stderr
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last-use-in-block.rs
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last-use-in-cap-clause.rs
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last-use-is-capture.rs
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lazy-and-or.rs
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lexical-scopes.rs
…
lexical-scopes.stderr
…
lexical-scoping.rs
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link-section.rs
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
list.rs
…
log-err-phi.rs
…
log-knows-the-names-of-variants.rs
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log-poly.rs
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logging-only-prints-once.rs
…
loud_ui.rs
…
max-min-classes.rs
…
maximal_mir_to_hir_coverage.rs
…
maybe-bounds.rs
…
maybe-bounds.stderr
Support ?Trait bounds in supertraits and dyn Trait under a feature gate
2024-07-25 20:53:33 +03:00
method-output-diff-issue-127263.rs
show unit output when there is only output diff in diagnostics
2024-07-06 21:00:30 +08:00
method-output-diff-issue-127263.stderr
show unit output when there is only output diff in diagnostics
2024-07-06 21:00:30 +08:00
minus-string.rs
…
minus-string.stderr
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missing_debug_impls.rs
…
missing_debug_impls.stderr
…
mod-subitem-as-enum-variant.rs
…
mod-subitem-as-enum-variant.stderr
…
monomorphize-abi-alignment.rs
…
msvc-data-only.rs
…
msvc-opt-minsize.rs
rewrite test-harness to rmake
2024-07-02 11:37:59 -04:00
multibyte.rs
…
multiline-comment.rs
…
mut-function-arguments.rs
…
mutual-recursion-group.rs
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myriad-closures.rs
…
nested-block-comment.rs
…
nested-cfg-attrs.rs
…
nested-cfg-attrs.stderr
…
nested-class.rs
…
nested-ty-params.rs
…
nested-ty-params.stderr
…
new-impl-syntax.rs
…
new-import-syntax.rs
…
new-style-constants.rs
…
new-unicode-escapes.rs
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newlambdas.rs
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newtype-polymorphic.rs
…
newtype.rs
…
no_crate_type.rs
…
no_crate_type.stderr
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no_send-enum.rs
…
no_send-enum.stderr
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
no_send-rc.rs
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no_send-rc.stderr
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no_share-enum.rs
…
no_share-enum.stderr
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
no_share-struct.rs
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no_share-struct.stderr
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no-capture-arc.rs
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no-capture-arc.stderr
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no-core-1.rs
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no-core-2.rs
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no-link-unknown-crate.rs
…
no-link-unknown-crate.stderr
…
no-reuse-move-arc.rs
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no-reuse-move-arc.stderr
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no-send-res-ports.rs
…
no-send-res-ports.stderr
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
no-warn-on-field-replace-issue-34101.rs
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noexporttypeexe.rs
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noexporttypeexe.stderr
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non-constant-expr-for-arr-len.rs
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non-constant-expr-for-arr-len.stderr
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non-copyable-void.rs
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non-copyable-void.stderr
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non-fmt-panic.fixed
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non-fmt-panic.rs
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non-fmt-panic.stderr
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noncopyable-class.rs
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noncopyable-class.stderr
…
nonscalar-cast.fixed
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nonscalar-cast.rs
…
nonscalar-cast.stderr
…
not-clone-closure.rs
…
not-clone-closure.stderr
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
not-copy-closure.rs
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not-copy-closure.stderr
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not-enough-arguments.rs
…
not-enough-arguments.stderr
Use ordinal number in argument error
2024-07-14 13:50:09 +09:00
nul-characters.rs
…
nullable-pointer-iotareduction.rs
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nullable-pointer-size.rs
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object-pointer-types.rs
…
object-pointer-types.stderr
…
objects-coerce-freeze-borrored.rs
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occurs-check-2.rs
…
occurs-check-2.stderr
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occurs-check-3.rs
…
occurs-check-3.stderr
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occurs-check.rs
…
occurs-check.stderr
…
once-cant-call-twice-on-heap.rs
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once-cant-call-twice-on-heap.stderr
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oom_unwind.rs
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op-assign-builtins-by-ref.rs
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opeq.rs
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opt-in-copy.rs
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opt-in-copy.stderr
…
optimization-remark.rs
…
out-pointer-aliasing.rs
…
output-slot-variants.rs
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over-constrained-vregs.rs
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panic_implementation-closures.rs
…
panic-while-printing.rs
…
paren-span.rs
…
paren-span.stderr
…
partialeq_help.rs
…
partialeq_help.stderr
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path-lookahead.fixed
…
path-lookahead.rs
…
path-lookahead.stderr
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path.rs
…
paths-containing-nul.rs
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phantom-auto-trait.rs
…
phantom-auto-trait.stderr
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point-to-type-err-cause-on-impl-trait-return-2.rs
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point-to-type-err-cause-on-impl-trait-return-2.stderr
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pptypedef.rs
…
pptypedef.stderr
…
primitive-binop-lhs-mut.rs
…
print-calling-conventions.rs
Migrate run-make/print-calling-conventions to ui-test
2024-08-03 20:09:42 -04:00
print-calling-conventions.stdout
add C-cmse-nonsecure-entry ABI
2024-09-21 13:04:14 +02:00
print-stdout-eprint-stderr.rs
…
project-cache-issue-31849.rs
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ptr-coercion-rpass.rs
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ptr-coercion.rs
…
ptr-coercion.stderr
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query-visibility.rs
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raw-str.rs
…
README.md
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realloc-16687.rs
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reassign-ref-mut.rs
…
reassign-ref-mut.stderr
…
reexport-test-harness-main.rs
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removing-extern-crate.fixed
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removing-extern-crate.rs
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removing-extern-crate.stderr
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resource-assign-is-not-copy.rs
…
resource-destruct.rs
…
rustc-error.rs
…
rustc-error.stderr
…
seq-args.rs
…
seq-args.stderr
Revert suggestion verbosity change
2024-07-22 22:51:53 +00:00
shadow-bool.rs
…
shadowed-use-visibility.rs
…
short-error-format.rs
…
short-error-format.stderr
On short error format, append primary span label to message
2024-08-06 04:08:10 +00:00
sized-borrowed-pointer.rs
…
sized-cycle-note.rs
…
sized-cycle-note.stderr
…
sized-owned-pointer.rs
…
sse2.rs
sudo CI=green && Review changes <3
2024-06-25 18:06:22 +02:00
stable-addr-of.rs
…
std-uncopyable-atomics.rs
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std-uncopyable-atomics.stderr
…
stdio-is-blocking.rs
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string-box-error.rs
…
struct-ctor-mangling.rs
…
super-at-top-level.rs
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super-at-top-level.stderr
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super.rs
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svh-add-nothing.rs
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swap-1.rs
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swap-overlapping.rs
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switched-expectations.rs
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switched-expectations.stderr
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syntax-extension-minor.rs
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tag-type-args.rs
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tag-type-args.stderr
…
tag-variant-cast-non-nullary.fixed
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tag-variant-cast-non-nullary.rs
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tag-variant-cast-non-nullary.stderr
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tail-call-arg-leak.rs
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tail-cps.rs
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tail-typeck.rs
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tail-typeck.stderr
…
trailing-comma.rs
…
trait-method-number-parameters.rs
…
trait-method-number-parameters.stderr
…
transmute-equal-assoc-types.rs
…
transmute-non-immediate-to-immediate.rs
…
trivial_casts-rpass.rs
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trivial_casts-rpass.stderr
…
try-from-int-error-partial-eq.rs
…
try-operator-hygiene.rs
…
try-operator.rs
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tydesc-name.rs
…
type_length_limit.polonius.stderr
…
type_length_limit.rs
Gate the type length limit check behind a nightly flag
2024-07-12 21:16:09 -04:00
type_length_limit.stderr
Re-implement a type-size based limit
2024-07-02 15:48:48 -04:00
type-id-higher-rank-2.rs
…
type-namespace.rs
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type-param-constraints.rs
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type-param.rs
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type-ptr.rs
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type-use-i1-versus-i8.rs
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typeid-intrinsic.rs
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typestate-multi-decl.rs
…
unconstrained-none.rs
…
unconstrained-none.stderr
…
unconstrained-ref.rs
…
unconstrained-ref.stderr
…
underscore-ident-matcher.rs
Tweak more warnings.
2024-10-28 14:20:28 +11:00
underscore-ident-matcher.stderr
Tweak more warnings.
2024-10-28 14:20:28 +11:00
underscore-lifetimes.rs
…
underscore-method-after-integer.rs
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unevaluated_fixed_size_array_len.rs
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unevaluated_fixed_size_array_len.stderr
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uninit-empty-types.rs
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unit.rs
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unknown-language-item.rs
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unknown-language-item.stderr
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unknown-llvm-arg.rs
Always use a colon in //@ normalize-*: headers
2024-07-11 12:23:44 +10:00
unknown-llvm-arg.stderr
…
unnamed_argument_mode.rs
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unreachable-code-1.rs
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unreachable-code.rs
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unsigned-literal-negation.rs
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unsigned-literal-negation.stderr
Tweak -1 as usize suggestion
2024-07-05 00:52:01 +00:00
unused-move-capture.rs
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unused-move.rs
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unwind-no-uwtable.rs
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use-import-export.rs
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use-keyword-2.rs
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use-module-level-int-consts.rs
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use-nested-groups.rs
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used.rs
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used.stderr
Show used attribute's kind for user when find it isn't applied to a static variable.
2024-06-29 19:39:09 +08:00
using-target-feature-unstable.rs
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usize-generic-argument-parent.rs
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usize-generic-argument-parent.stderr
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utf8_idents.rs
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utf8-bom.rs
Fix utf8-bom test
2024-10-07 14:45:49 -07:00
wait-forked-but-failed-child.rs
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walk-struct-literal-with.rs
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walk-struct-literal-with.stderr
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weak-new-uninhabited-issue-48493.rs
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weird-exit-code.rs
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weird-exprs.rs
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write-fmt-errors.rs
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writing-to-immutable-vec.rs
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writing-to-immutable-vec.stderr
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wrong-hashset-issue-42918.rs
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README.md

UI Tests

This folder contains rustc's UI tests.

Test Directives (Headers)

Typically, a UI test will have some test directives / headers which are special comments that tell compiletest how to build and intepret a test.

As part of an on-going effort to rewrite compiletest (see https://github.com/rust-lang/compiler-team/issues/536), a major change proposal to change legacy compiletest-style headers // <directive> to ui_test-style headers //@ <directive> was accepted (see https://github.com/rust-lang/compiler-team/issues/512.

An example directive is ignore-test. In legacy compiletest style, the header would be written as

// ignore-test

but in ui_test style, the header would be written as

//@ ignore-test

compiletest is changed to accept only //@ directives for UI tests (currently), and will reject and report an error if it encounters any comments // <content> that may be parsed as an legacy compiletest-style test header. To fix this, you should migrate to the ui_test-style header //@ <content>.

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