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bors 35c2908177 Auto merge of #135465 - jhpratt:rollup-7p93bct, r=jhpratt 
Rollup of 10 pull requests

Successful merges:

 - #134498 (Fix cycle error only occurring with -Zdump-mir)
 - #134977 (Detect `mut arg: &Ty` meant to be `arg: &mut Ty` and provide structured suggestion)
 - #135390 (Re-added regression test for #122638)
 - #135393 (uefi: helpers: Introduce OwnedDevicePath)
 - #135440 (rm unnecessary `OpaqueTypeDecl` wrapper)
 - #135441 (Make sure to mark `IMPL_TRAIT_REDUNDANT_CAPTURES` as `Allow` in edition 2024)
 - #135444 (Update books)
 - #135450 (Fix emscripten-wasm-eh with unwind=abort)
 - #135452 (bootstrap: fix outdated feature name in comment)
 - #135454 (llvm: Allow sized-word rather than ymmword in tests)

r? `@ghost`
`@rustbot` modify labels: rollup
2025-01-14 03:08:59 +00:00
..
abi
fix ZST handling for Windows ABIs on MSVC target
2025-01-10 12:16:49 +01:00
alloc-error
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
allocator
UI tests: Rename "object safe" to "dyn compatible"
2024-10-10 01:13:29 +02:00
annotate-snippet
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
anon-params
…
argfile
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
argument-suggestions
Added more scenarios where commas need to be removed
2024-10-20 17:14:53 +08:00
array-slice-vec
Make suggestion verbose and tweak error message
2025-01-02 23:39:17 +00:00
asan-odr-win
PassWrapper: disable UseOdrIndicator for Asan Win32
2024-11-14 04:20:18 +08:00
asm
Note def descr in NonConstFunctionCall
2024-12-23 22:15:32 +00:00
associated-consts
Add ignore-rustc-debug-assertions to tests/ui/associated-consts/issue-93775.rs
2024-12-22 14:49:01 +08:00
associated-inherent-types
Spruce up the docs of several queries related to the type/trait system and const eval
2024-12-27 11:44:23 +01:00
associated-item
Compiler: Rename "object safe" to "dyn compatible"
2024-09-25 13:26:48 +02:00
associated-type-bounds
Rollup merge of #133660 - compiler-errors:trait-obj-missing-assoc, r=lcnr
2024-12-01 08:15:25 +01:00
associated-types
Auto merge of #133858 - dianne:better-blame-constraints-for-static, r=lcnr
2025-01-08 12:37:54 +00:00
async-await
best_blame_constraint: avoid blaming constraints from MIR generated by desugaring
2025-01-06 16:12:11 -08:00
attributes
turn rustc_box into an intrinsic
2025-01-03 12:01:31 +01:00
auto-traits
Normalize each signature input/output in typeck_with_fallback with its own span
2025-01-06 17:58:30 +00:00
autodiff
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
autoref-autoderef
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
auxiliary
do not implement unsafe auto traits for types with unsafe fields
2024-12-05 23:52:21 +00:00
backtrace
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
bench
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
binding
Tweak output of some const pattern errors
2024-12-04 20:29:36 +00:00
binop
Mention type parameter in more cases and don't suggest ~const bound already there
2024-12-07 21:37:13 +00:00
blind
…
block-result
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
bootstrap
Adjust rustc_bootstap.rs ui test
2024-12-20 02:38:46 +08:00
borrowck
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
box
Allow fn pointers comparisons lint in UI tests
2024-12-02 18:43:37 +01:00
btreemap
Use if-let in structured suggestion instead of Option::map
2024-12-31 02:21:17 +00:00
builtin-superkinds
Mention type parameter in more cases and don't suggest ~const bound already there
2024-12-07 21:37:13 +00:00
c-variadic
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
cast
best_blame_constraint: prioritize blaming interesting-seeming constraints
2025-01-06 16:12:11 -08:00
cfg
Add support for wasm exception handling to Emscripten target
2025-01-06 10:29:54 +01:00
check-cfg
arm: add unstable soft-float target feature
2025-01-07 16:13:43 +01:00
closure_context
…
closure-expected-type
…
closures
chore: fix some typos
2024-12-31 15:11:18 +08:00
cmse-nonsecure
Stabilize extended_varargs_abi_support
2024-11-27 22:21:33 +01:00
codegen
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
codemap_tests
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
coercion
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
coherence
Add tests cases from review of #132289
2025-01-09 21:43:25 +01:00
coinduction
…
command
Fix must_use lint for command exec tests
2024-10-17 06:33:35 -07:00
compare-method
…
compiletest-self-test
compiletest: Self-test for normalize-* with revisions
2024-12-28 13:57:13 +11:00
conditional-compilation
use backticks instead of single quotes when reporting "use of unstable library feature"
2024-11-03 13:55:52 -08:00
confuse-field-and-method
Use extract_callable_info, generalize it to async closure
2024-11-02 03:53:59 +00:00
const_prop
Tweak unevaluated constant in pattern error
2024-12-04 20:29:35 +00:00
const-generics
Rollup merge of #135390 - ranger-ross:readd-test-122638, r=BoxyUwU
2025-01-13 20:43:46 -05:00
const-ptr
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
consts
Auto merge of #135167 - mzacho:depth-limit-const-eval-query, r=oli-obk
2025-01-13 10:18:26 +00:00
coroutine
Fix typo in #[coroutine] gating error
2025-01-09 21:40:14 -08:00
coverage-attr
Un-redact one occurrence of "coverage attribute not allowed here"
2024-12-25 19:23:48 +11:00
crate-loading
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
cross
…
cross-crate
Allow fn pointers comparisons lint in UI tests
2024-12-02 18:43:37 +01:00
custom_test_frameworks
…
cycle-trait
…
dataflow_const_prop
dataflow_const_prop: do not eval a ptr address in SwitchInt
2024-12-09 21:06:29 +08:00
debuginfo
Simplify or delete normalize directives that don't care about bit-width
2024-12-27 12:42:07 +11:00
definition-reachable
…
delegation
Don't trigger never type lint in a delegation test
2024-11-12 22:23:01 +01:00
dep-graph
…
deprecation
add deprecated and do nothing flag to options table
2025-01-06 15:38:02 +03:00
deref-patterns
…
derived-errors
…
derives
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
deriving
make CoercePointee errors translatable
2024-12-04 20:34:48 +08:00
dest-prop
…
destructuring-assignment
Introduce default_field_values feature
2024-12-09 21:55:01 +00:00
diagnostic_namespace
Also warn against #[diagnostic::do_not_recommend] on plain impls
2024-12-18 07:10:55 +01:00
diagnostic-flags
Adjust allow-non-lint-warnings.rs
2024-12-10 11:29:43 +08:00
diagnostic-width
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
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
Try to explain borrow for tail expr temporary drop order change in 2024
2025-01-08 16:02:44 +00:00
drop-bounds
…
dropck
best_blame_constraint: add a special case to recover object lifetime default notes
2025-01-06 16:12:04 -08:00
dst
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
duplicate
chore: remove redundant words in comment
2025-01-06 15:47:49 +08:00
dyn-compatibility
taint fcx on selection errors during unsizing
2025-01-02 19:16:00 +01:00
dyn-drop
…
dyn-keyword
Suggest typos when trait path expression is typod
2025-01-11 18:44:12 +00:00
dyn-star
Rollup merge of #134642 - kpreid:pointerlike-cell, r=compiler-errors
2024-12-22 21:59:27 +01:00
dynamically-sized-types
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
editions
Use links to edition guide for edition migrations
2024-12-15 20:28:16 -08:00
empty
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
entry-point
…
enum
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
enum-discriminant
fix ICE on type error in promoted
2024-12-09 15:17:26 +01:00
env-macro
…
error-codes
Normalize each signature input/output in typeck_with_fallback with its own span
2025-01-06 17:58:30 +00:00
error-emitter
Account for removal of multiline span in suggestion
2024-12-26 17:41:43 +00:00
errors
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
explicit
…
explicit-tail-calls
Note def descr in NonConstFunctionCall
2024-12-23 22:15:32 +00:00
expr
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
extern
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
extern-flag
Include the "unwind" crate to link with libunwind instead of the "libc" crate.
2024-11-14 10:51:28 -05:00
feature-gates
Rollup merge of #135219 - matthiaskrgr:simd'nt, r=compiler-errors
2025-01-08 00:52:49 -05:00
ffi-attrs
…
float
move f16/f128 const fn under f16/f128 feature gate
2024-10-05 10:13:18 +02:00
fmt
add suggestion for wrongly ordered format parameters
2024-12-30 06:14:26 -08:00
fn
review comments and make test run-rustfix
2025-01-11 01:58:32 +00:00
fn-main
…
for
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
for-loop-while
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
force-inlining
mir_build: check annotated functions w/out callers
2025-01-10 18:37:57 +00:00
foreign
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
fully-qualified-type
…
function-pointer
Remove a duplicated check that doesn't do anything anymore.
2024-12-19 10:56:31 +00:00
functional-struct-update
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
functions-closures
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
generic-associated-types
Do not project when there are unconstrained impl params
2025-01-03 05:01:14 +00:00
generic-const-items
improve diagnostics for const eval query overflow
2025-01-06 09:43:05 +01:00
generics
Use a more precise span in placeholder_type_error_diag
2024-12-13 13:07:07 +01:00
half-open-range-patterns
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
hashmap
Use if-let in structured suggestion instead of Option::map
2024-12-31 02:21:17 +00:00
hello_world
…
higher-ranked
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
hygiene
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
illegal-sized-bound
…
impl-header-lifetime-elision
…
impl-trait
Rollup merge of #135441 - compiler-errors:redundant-captures-lint, r=lqd
2025-01-13 20:43:48 -05:00
implied-bounds
Adjust tests
2024-09-05 06:37:38 -04:00
imports
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
include-macros
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
incoherent-inherent-impls
chore: fix typos
2024-12-31 23:46:39 +08:00
indexing
chore: fix typos
2024-12-31 23:46:39 +08:00
inference
chore: fix typos
2024-12-31 23:46:39 +08:00
infinite
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
inherent-impls-overlap-check
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
inline-const
Make sure to walk into nested const blocks in RegionResolutionVisitor
2025-01-09 22:16:51 +00:00
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
use backticks instead of single quotes when reporting "use of unstable library feature"
2024-11-03 13:55:52 -08:00
internal-lints
Remove rustc::existing_doc_keyword lint.
2024-12-17 13:56:10 +11:00
intrinsics
Auto merge of #135031 - RalfJung:intrinsics-without-body, r=oli-obk
2025-01-04 12:50:38 +00:00
invalid
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
invalid-compile-flags
Only test proc-macro invalid compile flags with panic=unwind
2025-01-08 18:00:26 +00:00
invalid-module-declaration
…
invalid-self-argument
…
io-checks
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
issues
Unify conditional and non const call error reporting
2025-01-09 16:20:10 +00:00
iterators
Use links to edition guide for edition migrations
2024-12-15 20:28:16 -08:00
json
Annotate input reference tests
2024-10-30 16:47:47 -07:00
keyword
…
kindck
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
label
…
lang-items
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
late-bound-lifetimes
…
layout
test that coercions still work under randomization
2025-01-10 02:22:57 +01:00
lazy-type-alias
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
lazy-type-alias-impl-trait
…
let-else
Suggest using deref in patterns
2024-12-13 14:18:41 -08:00
lexer
Annotate input reference tests
2024-10-30 16:47:47 -07:00
lifetimes
Remove special-casing for argument patterns in MIR typeck
2025-01-08 17:59:27 -08:00
limits
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
link-native-libs
Add comments to -Zlink-* tests
2024-12-31 02:25:35 +00:00
linkage-attr
Move more tests into tests/ui/link-native-libs
2024-12-07 13:18:05 +11:00
lint
Update a bunch of library types for MCP807
2025-01-09 23:47:11 -08:00
liveness
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
loops
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
lowering
…
lto
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
lub-glb
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
macro_backtrace
…
macros
Rename PatKind::Lit to Expr
2025-01-08 07:34:59 +00:00
malformed
…
marker_trait_attr
…
match
best_blame_constraint: avoid blaming assignments without user-provided types
2025-01-06 16:12:11 -08:00
meta
Remap path refix in the panic message
2024-10-12 09:41:42 +08:00
methods
Do not ICE when encountering predicates from other items in method error reporting
2025-01-03 19:39:39 +00:00
mir
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
mir-dataflow
Remove the DefinitelyInitializedPlaces analysis.
2024-11-22 17:02:04 +11:00
mismatched_types
Add more info on type/trait mismatches for different crate versions
2024-12-07 18:18:08 +00:00
missing
Reword suggestion message
2024-11-16 20:03:31 +00:00
missing_non_modrs_mod
…
missing-trait-bounds
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
modules
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
modules_and_files_visibility
…
moves
Remove CallKind::Deref hack from UseSpans
2025-01-06 03:55:19 +00:00
mut
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
namespace
…
never_type
Use links to edition guide for edition migrations
2024-12-15 20:28:16 -08:00
nll
only avoid blaming assignments from argument patterns
2025-01-06 16:12:11 -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
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
numeric
…
object-lifetime
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
obsolete-in-place
…
offset-of
use backticks instead of single quotes when reporting "use of unstable library feature"
2024-11-03 13:55:52 -08:00
on-unimplemented
Rollup merge of #132583 - mejrs:tuples, r=compiler-errors
2024-11-04 18:12:48 +01:00
operator-recovery
…
or-patterns
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
overloaded
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
packed
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
panic-handler
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
panic-runtime
…
panics
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
parallel-rustc
…
parser
Auto merge of #135031 - RalfJung:intrinsics-without-body, r=oli-obk
2025-01-04 12:50:38 +00:00
patchable-function-entry
…
pattern
Rollup merge of #135222 - estebank:issue-135209, r=compiler-errors
2025-01-08 18:21:02 +01:00
pin-macro
use backticks instead of single quotes when reporting "use of unstable library feature"
2024-11-03 13:55:52 -08:00
precondition-checks
Warn on redundant --cfg directive when revisions are used
2024-10-19 12:40:12 +00:00
print_type_sizes
Update a bunch of library types for MCP807
2025-01-09 23:47:11 -08:00
print-request
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
privacy
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
proc-macro
Rollup merge of #134693 - SpriteOvO:proc-macro-use-to-tokens-in-quote, r=tgross35
2025-01-10 03:55:19 -05:00
process
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
process-termination
…
ptr_ops
…
pub
Bless test fallout
2024-08-03 07:57:31 -04:00
qualified
…
query-system
depth limit eval_to_const_value_raw
2025-01-06 08:54:27 +01:00
range
Provide diagnostic for Struct(a, .., z) expression
2024-12-09 21:55:12 +00:00
raw-ref-op
Auto merge of #134294 - matthiaskrgr:rollup-anh6io8, r=matthiaskrgr
2024-12-14 06:44:05 +00:00
reachable
Consider arm to diverge if guard diverges
2024-12-24 19:12:13 +00:00
recursion
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
recursion_limit
…
regions
Auto merge of #133858 - dianne:better-blame-constraints-for-static, r=lcnr
2025-01-08 12:37:54 +00:00
repeat-expr
Always take the Ok path in lit_to_const and produce error constants instead
2025-01-09 08:48:00 +00:00
repr
adjust UI tests
2025-01-10 02:22:57 +01:00
reserved
…
resolve
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
return
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
rfcs
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
rmeta
…
runtime
Disable backtrace-debuginfo.rs on windows-gnu
2024-12-28 11:19:16 +08:00
rust-2018
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
rust-2021
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
rust-2024
Use links to edition guide for edition migrations
2024-12-15 20:28:16 -08:00
rustc-env
…
rustdoc
Remove rustc::existing_doc_keyword lint.
2024-12-17 13:56:10 +11:00
sanitizer
Stabilize async closures
2024-12-13 00:04:56 +00:00
self
Assert that Instance::try_resolve is only used on body-like things
2025-01-13 02:20:08 +00:00
sepcomp
…
shadowed
…
shell-argfiles
…
simd
Rollup merge of #133395 - calebzulawski:simd_relaxed_fma, r=workingjubilee
2024-12-03 07:48:33 +01:00
single-use-lifetime
…
sized
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
span
Arbitrary self types v2: adjust diagnostic.
2024-12-13 15:40:37 +00:00
specialization
Normalize each signature input/output in typeck_with_fallback with its own span
2025-01-06 17:58:30 +00:00
stability-attribute
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
stable-mir-print
Auto merge of #133734 - scottmcm:lower-indexing-to-ptrmetadata, r=davidtwco,RalfJung
2024-12-14 22:43:39 +00:00
stack-protector
…
static
Note def descr in NonConstFunctionCall
2024-12-23 22:15:32 +00:00
statics
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
stats
Fix ICE when opaque captures a duplicated/invalid lifetime
2025-01-01 19:32:51 +00:00
std
This test needs threads
2024-11-07 18:18:34 -08:00
stdlib-unit-tests
Adjust atomic-from-mut-not-available.rs
2024-12-08 15:32:04 +08:00
str
Trim output of E0277 in some cases
2024-11-02 03:08:04 +00:00
structs
Provide structured suggestion for impl Default of type where all fields have defaults
2024-12-31 18:06:01 +00:00
structs-enums
add alignment info for test
2024-12-16 14:59:10 -05:00
suggestions
Auto merge of #135402 - matthiaskrgr:rollup-cz7hs13, r=matthiaskrgr
2025-01-12 14:43:10 +00:00
svh
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
symbol-mangling-version
…
symbol-names
Failing test
2025-01-06 06:11:06 +00:00
sync
Remove detail from label/note that is already available in other note
2024-10-29 16:26:57 +00:00
target-feature
Auto merge of #134794 - RalfJung:abi-required-target-features, r=workingjubilee
2025-01-05 23:21:06 +00:00
test-attrs
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
thir-print
Introduce default_field_values feature
2024-12-09 21:55:01 +00:00
thread-local
stabilize const_swap
2024-12-25 10:36:32 +01:00
threads-sendsync
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
tool-attributes
Always run tail_expr_drop_order lint on promoted MIR
2024-12-23 20:25:41 +00:00
track-diagnostics
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
trait-bounds
Tweak wording
2024-12-07 22:18:51 +00:00
traits
Remove a bunch of diagnostic stashing that doesn't do anything
2025-01-11 19:22:06 +00:00
transmutability
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
transmute
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
treat-err-as-bug
Try to write the panic message with a single write_all call
2025-01-01 15:58:29 +01:00
trivial-bounds
…
try-block
Add trait diff highlighting logic and use it in E0277
2024-11-02 03:08:04 +00:00
try-trait
Trim output of E0277 in some cases
2024-11-02 03:08:04 +00:00
tuple
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
type
adjust UI tests
2025-01-10 02:22:57 +01:00
type-alias
Do not talk about "trait <Foo = Bar>"
2024-12-07 21:37:15 +00:00
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 a bunch of diagnostic stashing that doesn't do anything
2025-01-11 19:22:06 +00:00
type-inference
…
typeck
Rollup merge of #134771 - compiler-errors:const-arg-has-type-err, r=lcnr
2025-01-06 20:59:32 +01:00
typeof
…
ufcs
Arbitrary self types v2: adjust diagnostic.
2024-12-13 15:40:37 +00:00
unboxed-closures
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
underscore-imports
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
underscore-lifetime
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
uniform-paths
…
uninhabited
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
union
Mention type parameter in more cases and don't suggest ~const bound already there
2024-12-07 21:37:13 +00:00
unknown-unstable-lints
Point at lint name instead of whole attr for gated lints
2024-12-18 19:27:44 +00:00
unop
Mention type parameter in more cases and don't suggest ~const bound already there
2024-12-07 21:37:13 +00:00
unpretty
Rename PatKind::Lit to Expr
2025-01-08 07:34:59 +00:00
unresolved
…
unsafe
Use links to edition guide for edition migrations
2024-12-15 20:28:16 -08:00
unsafe-binders
Begin to implement type system layer of unsafe binders
2024-12-22 21:57:57 +00:00
unsafe-fields
Make Copy unsafe to implement for ADTs with unsafe fields
2024-12-07 20:50:00 +00:00
unsized
Remove polymorphization
2024-12-06 16:42:09 -05:00
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
…
unwind-abis
…
use
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
variance
Make UniqueRc invariant for soundness
2025-01-11 22:36:25 +01:00
variants
…
version
…
warnings
…
wasm
Stabilize WebAssembly multivalue, reference-types, and tail-call target features
2024-11-10 07:45:14 -08:00
wf
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
where-clauses
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
while
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
windows-subsystem
…
zero-sized
…
.gitattributes
…
attr-start.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
augmented-assignments-feature-gate-cross.rs
…
augmented-assignments-rpass.rs
…
augmented-assignments.rs
…
augmented-assignments.stderr
…
auto-instantiate.rs
…
auto-ref-slice-plus-ref.rs
…
auto-ref-slice-plus-ref.stderr
…
autoderef-full-lval.rs
…
autoderef-full-lval.stderr
…
bare-fn-implements-fn-mut.rs
…
bare-static-string.rs
…
big-literals.rs
…
bind-by-move.rs
…
bitwise.rs
…
bogus-tag.rs
…
bogus-tag.stderr
…
borrow-by-val-method-receiver.rs
…
bounds-lifetime.rs
…
bounds-lifetime.stderr
…
break-diverging-value.rs
…
break-diverging-value.stderr
…
builtin-clone-unwind.rs
…
can-copy-pod.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
cancel-clean-via-immediate-rvalue-ref.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
cannot-mutate-captured-non-mut-var.rs
…
cannot-mutate-captured-non-mut-var.stderr
…
capture1.rs
…
capture1.stderr
…
catch-unwind-bang.rs
…
cenum_impl_drop_cast.rs
…
cenum_impl_drop_cast.stderr
…
cfguard-run.rs
…
char.rs
…
class-cast-to-trait.rs
…
class-cast-to-trait.stderr
…
class-method-missing.rs
…
class-method-missing.stderr
…
cleanup-rvalue-for-scope.rs
…
cleanup-rvalue-scopes-cf.rs
…
cleanup-rvalue-scopes-cf.stderr
…
cleanup-rvalue-scopes.rs
…
cleanup-rvalue-temp-during-incomplete-alloc.rs
…
cleanup-shortcircuit.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
close-over-big-then-small-data.rs
…
command-line-diagnostics.rs
…
command-line-diagnostics.stderr
…
complex.rs
…
conservative_impl_trait.rs
…
conservative_impl_trait.stderr
…
constructor-lifetime-args.rs
…
constructor-lifetime-args.stderr
…
copy-a-resource.rs
…
copy-a-resource.stderr
…
crate-leading-sep.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
crate-method-reexport-grrrrrrr.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
crate-name-attr-used.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
crate-name-mismatch.rs
…
crate-name-mismatch.stderr
…
custom_attribute.rs
…
custom_attribute.stderr
…
custom-attribute-multisegment.rs
…
custom-attribute-multisegment.stderr
…
custom-test-frameworks-simple.rs
…
deduplicate-diagnostics.deduplicate.stderr
…
deduplicate-diagnostics.duplicate.stderr
…
deduplicate-diagnostics.rs
…
deep.rs
…
default-method-parsing.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
default-method-simple.rs
…
defaults-well-formedness.rs
…
deprecation-in-force-unstable.rs
…
deref-non-pointer.rs
…
deref-non-pointer.stderr
…
deref-rc.rs
…
deref.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
derive-uninhabited-enum-38885.rs
…
derive-uninhabited-enum-38885.stderr
…
destructure-trait-ref.rs
…
destructure-trait-ref.stderr
…
diverging-fallback-method-chain.rs
…
diverging-fallback-option.rs
…
diverging-fn-tail-35849.rs
…
diverging-fn-tail-35849.stderr
…
double-ref.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
double-type-import.rs
…
double-type-import.stderr
…
dupe-first-attr.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
duplicate_entry_error.rs
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
duplicate_entry_error.stderr
…
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
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
elide-errors-on-mismatched-tuple.rs
…
elide-errors-on-mismatched-tuple.stderr
…
elided-test.rs
…
elided-test.stderr
…
else-if.rs
…
empty-allocation-non-null.rs
…
empty-allocation-rvalue-non-null.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
empty-type-parameter-list.rs
…
empty-type-parameter-list.stderr
…
error-festival.rs
…
error-festival.stderr
Suggest fixing typos and let bindings at the same time
2024-11-02 14:40:37 -07:00
error-should-say-copy-not-pod.rs
…
error-should-say-copy-not-pod.stderr
…
exclusive-drop-and-copy.rs
…
exclusive-drop-and-copy.stderr
…
explain.rs
…
explain.stdout
…
explicit-i-suffix.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
explore-issue-38412.rs
stability: remove skip_stability_check_due_to_privacy
2024-11-18 08:07:46 +01:00
explore-issue-38412.stderr
use backticks instead of single quotes when reporting "use of unstable library feature"
2024-11-03 13:55:52 -08:00
ext-expand-inner-exprs.rs
…
ext-nonexistent.rs
…
ext-nonexistent.stderr
…
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
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
format-no-std.rs
…
fun-indirect-call.rs
…
future-incompatible-lint-group.rs
…
future-incompatible-lint-group.stderr
…
global-scope.rs
…
hello.rs
Update more 2024 tests to remove -Zunstable-options
2024-11-28 14:32:45 -08:00
illegal-ufcs-drop.fixed
…
illegal-ufcs-drop.rs
…
illegal-ufcs-drop.stderr
…
impl-inherent-non-conflict.rs
…
impl-not-adjacent-to-type.rs
…
impl-privacy-xc-1.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
impl-unused-rps-in-assoc-type.rs
…
impl-unused-rps-in-assoc-type.stderr
…
impl-unused-tps-inherent.rs
…
impl-unused-tps-inherent.stderr
…
impl-unused-tps.rs
stabilize -Znext-solver=coherence
2024-10-15 13:11:00 +02:00
impl-unused-tps.stderr
Do not project when there are unconstrained impl params
2025-01-03 05:01:14 +00:00
implicit-method-bind.rs
…
implicit-method-bind.stderr
…
inline-disallow-on-variant.rs
…
inline-disallow-on-variant.stderr
…
inlined-main.rs
…
inner-attrs-on-impl.rs
…
inner-module.rs
…
inner-static-type-parameter.rs
…
inner-static-type-parameter.stderr
…
inner-static.rs
…
integral-indexing.rs
…
integral-indexing.stderr
Trim output of E0277 in some cases
2024-11-02 03:08:04 +00:00
integral-variable-unification-error.rs
…
integral-variable-unification-error.stderr
…
invalid_crate_type_syntax.rs
…
invalid_crate_type_syntax.stderr
…
invalid_dispatch_from_dyn_impls.rs
…
invalid_dispatch_from_dyn_impls.stderr
…
issue-11881.rs
…
issue-13560.rs
…
issue-15924.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
issue-16822.rs
…
issue-18502.rs
…
issue-24106.rs
…
issue-76387-llvm-miscompile.rs
…
issues-71798.rs
…
issues-71798.stderr
…
item-name-overload.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
kinds-in-metadata.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
kinds-of-primitive-impl.rs
…
kinds-of-primitive-impl.stderr
…
last-use-in-block.rs
…
last-use-in-cap-clause.rs
…
last-use-is-capture.rs
…
lazy-and-or.rs
…
lexical-scopes.rs
…
lexical-scopes.stderr
…
lexical-scoping.rs
…
link-section.rs
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
list.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
log-err-phi.rs
…
log-knows-the-names-of-variants.rs
…
log-poly.rs
…
logging-only-prints-once.rs
…
loud_ui.rs
…
max-min-classes.rs
…
maximal_mir_to_hir_coverage.rs
…
maybe-bounds.rs
…
maybe-bounds.stderr
…
method-output-diff-issue-127263.rs
…
method-output-diff-issue-127263.stderr
…
minus-string.rs
…
minus-string.stderr
…
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
…
multibyte.rs
…
multiline-comment.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
mut-function-arguments.rs
…
mutual-recursion-group.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
myriad-closures.rs
…
nested-block-comment.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
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
…
newlambdas.rs
…
newtype-polymorphic.rs
…
newtype.rs
…
no_crate_type.rs
…
no_crate_type.stderr
…
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
…
no_send-rc.stderr
E0277: suggest dereferencing function arguments in more cases
2024-11-21 03:27:05 -08:00
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
…
no_share-struct.stderr
…
no-capture-arc.rs
…
no-capture-arc.stderr
Remove CallKind::Deref hack from UseSpans
2025-01-06 03:55:19 +00:00
no-core-1.rs
…
no-core-2.rs
…
no-link-unknown-crate.rs
…
no-link-unknown-crate.stderr
…
no-reuse-move-arc.rs
…
no-reuse-move-arc.stderr
Remove CallKind::Deref hack from UseSpans
2025-01-06 03:55:19 +00:00
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
…
noexporttypeexe.rs
…
noexporttypeexe.stderr
…
non-constant-expr-for-arr-len.rs
…
non-constant-expr-for-arr-len.stderr
…
non-copyable-void.rs
…
non-copyable-void.stderr
…
non-fmt-panic.fixed
…
non-fmt-panic.rs
…
non-fmt-panic.stderr
…
noncopyable-class.rs
…
noncopyable-class.stderr
…
nonscalar-cast.fixed
…
nonscalar-cast.rs
…
nonscalar-cast.stderr
…
not-clone-closure.rs
Add --diagnostic-width to some tests failing after 1a0c502183
2024-11-06 20:02:42 +01:00
not-clone-closure.stderr
Add --diagnostic-width to some tests failing after 1a0c502183
2024-11-06 20:02:42 +01:00
not-copy-closure.rs
…
not-copy-closure.stderr
Suggest borrowing arguments in generic positions when trait bounds are satisfied
2024-11-13 20:29:40 -08:00
not-enough-arguments.rs
…
not-enough-arguments.stderr
…
nul-characters.rs
…
nullable-pointer-iotareduction.rs
…
nullable-pointer-size.rs
…
object-pointer-types.rs
…
object-pointer-types.stderr
…
objects-coerce-freeze-borrored.rs
…
occurs-check-2.rs
…
occurs-check-2.stderr
…
occurs-check-3.rs
…
occurs-check-3.stderr
…
occurs-check.rs
…
occurs-check.stderr
…
once-cant-call-twice-on-heap.rs
…
once-cant-call-twice-on-heap.stderr
…
oom_unwind.rs
…
op-assign-builtins-by-ref.rs
…
opeq.rs
…
opt-in-copy.rs
…
opt-in-copy.stderr
…
optimization-remark.rs
…
out-pointer-aliasing.rs
…
output-slot-variants.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
over-constrained-vregs.rs
…
panic_implementation-closures.rs
…
panic-while-printing.rs
…
paren-span.rs
…
paren-span.stderr
…
partialeq_help.rs
…
partialeq_help.stderr
…
path-lookahead.fixed
…
path-lookahead.rs
…
path-lookahead.stderr
…
path.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
paths-containing-nul.rs
…
phantom-auto-trait.rs
…
phantom-auto-trait.stderr
Use trait name instead of full constraint in suggestion message
2024-12-07 21:29:58 +00:00
point-to-type-err-cause-on-impl-trait-return-2.rs
…
point-to-type-err-cause-on-impl-trait-return-2.stderr
…
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
…
ptr-coercion-rpass.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
ptr-coercion.rs
…
ptr-coercion.stderr
…
query-visibility.rs
…
raw-str.rs
…
README.md
Fix typos on tests/ui/README.md
2024-12-02 03:43:50 -07:00
realloc-16687.rs
…
reassign-ref-mut.rs
…
reassign-ref-mut.stderr
…
reexport-test-harness-main.rs
…
removing-extern-crate.fixed
…
removing-extern-crate.rs
…
removing-extern-crate.stderr
…
resource-assign-is-not-copy.rs
…
resource-destruct.rs
…
rustc-error.rs
…
rustc-error.stderr
…
seq-args.rs
…
seq-args.stderr
…
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
simd-abi-checks-empty-list.rs
ABI checks: add support for tier2 arches
2024-11-12 22:34:31 +01:00
simd-abi-checks-empty-list.stderr
show abi_unsupported_vector_types lint in future breakage reports
2024-11-23 09:15:25 +01:00
simd-abi-checks-s390x.rs
Support s390x z13 vector ABI
2024-11-14 22:14:11 +09:00
simd-abi-checks-s390x.z10.stderr
show abi_unsupported_vector_types lint in future breakage reports
2024-11-23 09:15:25 +01:00
simd-abi-checks-s390x.z13_no_vector.stderr
show abi_unsupported_vector_types lint in future breakage reports
2024-11-23 09:15:25 +01:00
simd-abi-checks-s390x.z13_soft_float.stderr
show abi_unsupported_vector_types lint in future breakage reports
2024-11-23 09:15:25 +01:00
simd-abi-checks.rs
add vector ABI check test for calling extern fn
2024-11-24 09:54:04 +01:00
simd-abi-checks.stderr
add vector ABI check test for calling extern fn
2024-11-24 09:54:04 +01:00
sized-borrowed-pointer.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
sized-cycle-note.rs
…
sized-cycle-note.stderr
…
sized-owned-pointer.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
sse2.rs
…
sse-abi-checks.rs
ABI checks: add support for tier2 arches
2024-11-12 22:34:31 +01:00
sse-abi-checks.stderr
show abi_unsupported_vector_types lint in future breakage reports
2024-11-23 09:15:25 +01:00
stable-addr-of.rs
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std-uncopyable-atomics.rs
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std-uncopyable-atomics.stderr
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stdio-is-blocking.rs
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string-box-error.rs
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struct-ctor-mangling.rs
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super-at-top-level.rs
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super-at-top-level.stderr
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super.rs
tests: remove //@ pretty-expanded usages
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svh-add-nothing.rs
tests: remove //@ pretty-expanded usages
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swap-1.rs
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swap-overlapping.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
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
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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
tests: remove //@ pretty-expanded usages
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tail-cps.rs
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tail-typeck.rs
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tail-typeck.stderr
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trailing-comma.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
trait-method-number-parameters.rs
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trait-method-number-parameters.stderr
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transmute-equal-assoc-types.rs
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transmute-non-immediate-to-immediate.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
trivial_casts-rpass.rs
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trivial_casts-rpass.stderr
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try-from-int-error-partial-eq.rs
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try-operator-hygiene.rs
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try-operator.rs
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tydesc-name.rs
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type_length_limit.polonius.stderr
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type_length_limit.rs
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type_length_limit.stderr
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type-id-higher-rank-2.rs
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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
tests: remove //@ pretty-expanded usages
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type-use-i1-versus-i8.rs
tests: remove //@ pretty-expanded usages
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typeid-intrinsic.rs
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typestate-multi-decl.rs
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unconstrained-none.rs
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unconstrained-none.stderr
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unconstrained-ref.rs
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unconstrained-ref.stderr
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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
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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
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
unknown-llvm-arg.stderr
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unnamed_argument_mode.rs
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2024-11-26 02:50:48 +08:00
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
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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
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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
Annotate input reference tests
2024-10-30 16:47:47 -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 interpret a test.

As part of an ongoing 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 a legacy compiletest-style test header. To fix this, you should migrate to the ui_test-style header //@ <content>.

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