Jonathan Brouwer fe6816491f Rollup merge of #153801 - ywxt:parallel-test, r=petrochenkov ...

Add the option to run UI tests with the parallel frontend

This PR adds two arguments for tests:

1. `--parallel-frontend-threads`: specify `-Zthread` to compile test case (currently UI tests only)
2. `--iteration-count`: the number of times to run each test

Also, due to the non-deterministic diagnostic orders and cycle errors, this PR adds the directive `//@ ignore-parallel-frontend` to ignore tests with cycle error when the parallel-frontend is enabled (by `--parallel-frontend-threads`) and enables `//@ compare-output-by-lines` by default.

Context: [#t-compiler/parallel-rustc > Add the parallel front-end test suite @ 💬](https://rust-lang.zulipchat.com/#narrow/channel/187679-t-compiler.2Fparallel-rustc/topic/Add.20the.20parallel.20front-end.20test.20suite/near/578781369)

This PR should work with https://github.com/rust-lang/rust/pull/153797 together.

2026-03-17 17:51:29 +01:00

..

check-wf-of-normalized-signature.rs

Deeply normalize in the new solver in WF

2025-05-05 15:52:38 +00:00

closure-wf.rs

Add test

2024-04-25 10:51:54 -04:00

closure-wf.stderr

Add test

2024-04-25 10:51:54 -04:00

conflicting-impls.rs

Silence some follow-up errors on trait impls in case the trait has conflicting or otherwise incoherent impls

2024-04-09 10:23:58 +00:00

conflicting-impls.stderr

Silence some follow-up errors on trait impls in case the trait has conflicting or otherwise incoherent impls

2024-04-09 10:23:58 +00:00

hir-wf-canonicalized.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

2024-02-16 20:02:50 +00:00

hir-wf-canonicalized.stderr

On E0277, point at type that doesn't implement bound

2025-08-22 17:55:15 +00:00

hir-wf-check-erase-regions.nll.stderr

When more than a single impl and less than 4 could apply, point at them

2025-10-31 20:44:01 +00:00

hir-wf-check-erase-regions.polonius.stderr

When more than a single impl and less than 4 could apply, point at them

2025-10-31 20:44:01 +00:00

hir-wf-check-erase-regions.rs

update test expectations for boring locals + dropckoutlives interactions

2025-08-08 14:10:41 +00:00

ice-hir-wf-check-anon-const-issue-122199.rs

Remove value_from_cycle_error specialization for type_of

2026-03-13 18:52:26 +01:00

ice-hir-wf-check-anon-const-issue-122199.stderr

Remove value_from_cycle_error specialization for type_of

2026-03-13 18:52:26 +01:00

ice-hir-wf-check-anon-const-issue-122989.rs

Ignore tests for the parallel frontend

2026-03-17 17:39:59 +08:00

ice-hir-wf-check-anon-const-issue-122989.stderr

Remove value_from_cycle_error specialization for type_of

2026-03-13 18:52:26 +01:00

ice-hir-wf-issue-135341.rs

remove unnecessary assertion for reference error

2025-01-17 15:41:05 +08:00

ice-hir-wf-issue-135341.stderr

remove unnecessary assertion for reference error

2025-01-17 15:41:05 +08:00

ice-wf-missing-span-in-error-130012.rs

Fix ICE caused by missing span in a region error

2024-09-09 12:27:36 +05:30

ice-wf-missing-span-in-error-130012.stderr

Fix ICE caused by missing span in a region error

2024-09-09 12:27:36 +05:30

issue-48638.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

2024-02-16 20:02:50 +00:00

issue-87495.rs

Refactor dyn-compatibility error and suggestions

2025-01-22 09:20:57 -08:00

issue-87495.stderr

Don't look for non-type-level assoc consts when checking trait object types

2026-03-17 01:52:28 +01:00

issue-95665.rs

UI tests: add missing diagnostic kinds where possible

2025-04-08 23:06:31 +03:00

issue-95665.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

issue-96810.rs

…

issue-96810.stderr

reword trait bound suggestion message to include the bounds

2024-12-07 21:26:20 +00:00

issue-103573.rs

…

issue-103573.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

issue-110157.rs

return ty::Error when equating ty::Error

2024-02-19 23:54:49 +00:00

issue-110157.stderr

Merge E0412 into E0425

2025-12-02 18:25:13 +00:00

range-expr-root-of-constant-issue-40749.rs

Provide more context on type errors in const context

2026-03-14 20:13:43 +00:00

range-expr-root-of-constant-issue-40749.stderr

Provide more context on type errors in const context

2026-03-14 20:13:43 +00:00

return-type-non-wf-no-ice.current.stderr

Check for region dependent goals on type_op itself as well

2026-03-04 00:02:05 +09:00

return-type-non-wf-no-ice.next.stderr

Check for region dependent goals on type_op itself as well

2026-03-04 00:02:05 +09:00

return-type-non-wf-no-ice.rs

Check for region dependent goals on type_op itself as well

2026-03-04 00:02:05 +09:00

unnormalized-projection-guides-inference.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

2024-02-16 20:02:50 +00:00

wf-array-elem-sized.rs

…

wf-array-elem-sized.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-associated-const.rs

wf-check type annotations before normalization

2024-01-16 09:25:28 +01:00

wf-associated-const.stderr

wf-check type annotations before normalization

2024-01-16 09:25:28 +01:00

wf-complex-assoc-type.rs

…

wf-complex-assoc-type.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-const-type.rs

Check that return type is WF in typeck

2024-03-06 16:51:17 +05:30

wf-const-type.stderr

Remove detail from label/note that is already available in other note

2024-10-29 16:26:57 +00:00

wf-dyn-incompatible.rs

UI tests: Rename "object safe" to "dyn compatible"

2024-10-10 01:13:29 +02:00

wf-dyn-incompatible.stderr

Use more detailed spans in dyn compat errors within bodies

2025-05-27 08:18:11 +00:00

wf-enum-bound.rs

…

wf-enum-bound.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-enum-fields-struct-variant.rs

…

wf-enum-fields-struct-variant.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-enum-fields.rs

…

wf-enum-fields.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-fn-def-check-sig-1.rs

rebase

2024-04-04 02:14:57 +01:00

wf-fn-def-check-sig-1.stderr

rebase

2024-04-04 02:14:57 +01:00

wf-fn-def-check-sig-2.rs

check FnDef return type for WF

2024-04-04 01:55:29 +01:00

wf-fn-def-check-sig-2.stderr

rebase

2024-04-04 02:14:57 +01:00

wf-fn-where-clause.rs

…

wf-fn-where-clause.stderr

Compiler: Finalize dyn compatibility renaming

2025-01-26 21:20:31 +01:00

wf-foreign-fn-decl-ret.rs

…

wf-foreign-fn-decl-ret.stderr

…

wf-impl-associated-type-region.rs

…

wf-impl-associated-type-region.stderr

Avoid looking at HIR for trait and impl items

2025-06-30 08:45:43 +00:00

wf-impl-associated-type-trait.rs

…

wf-impl-associated-type-trait.stderr

reword trait bound suggestion message to include the bounds

2024-12-07 21:26:20 +00:00

wf-impl-self-type.rs

…

wf-impl-self-type.stderr

On E0277 be clearer about implicit Sized bounds on type params and assoc types

2024-02-01 03:30:26 +00:00

wf-in-fn-arg.rs

…

wf-in-fn-arg.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-fn-ret.rs

Continue compilation after check_mod_type_wf errors

2024-02-14 11:00:30 +00:00

wf-in-fn-ret.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-fn-type-arg.rs

…

wf-in-fn-type-arg.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-fn-type-ret.rs

…

wf-in-fn-type-ret.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-fn-type-static.rs

…

wf-in-fn-type-static.stderr

…

wf-in-fn-where-clause.rs

…

wf-in-fn-where-clause.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-foreign-fn-decls-issue-80468.rs

Stop being so bail-y in candidate assembly

2024-11-21 01:35:34 +00:00

wf-in-foreign-fn-decls-issue-80468.stderr

Stop being so bail-y in candidate assembly

2024-11-21 01:35:34 +00:00

wf-in-obj-type-static.rs

…

wf-in-obj-type-static.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-in-obj-type-trait.rs

…

wf-in-obj-type-trait.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-in-where-clause-static.current.stderr

reword note

2025-09-28 20:55:35 +00:00

wf-in-where-clause-static.next.stderr

reword note

2025-09-28 20:55:35 +00:00

wf-in-where-clause-static.rs

Enforce supertrait outlives obligations hold when confirming impl

2024-08-05 09:55:14 -04:00

wf-inherent-impl-method-where-clause.rs

…

wf-inherent-impl-method-where-clause.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-inherent-impl-where-clause.rs

…

wf-inherent-impl-where-clause.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-misc-methods-issue-28609.rs

…

wf-misc-methods-issue-28609.stderr

…

wf-normalization-sized.next.stderr

Deeply normalize in the new solver in WF

2025-05-05 15:52:38 +00:00

wf-normalization-sized.rs

Deeply normalize in the new solver in WF

2025-05-05 15:52:38 +00:00

wf-outlives-ty-in-fn-or-trait.rs

…

wf-outlives-ty-in-fn-or-trait.stderr

Avoid looking at HIR for trait and impl items

2025-06-30 08:45:43 +00:00

wf-packed-on-proj-of-type-as-unimpl-trait.rs

…

wf-packed-on-proj-of-type-as-unimpl-trait.stderr

On E0277, point at type that doesn't implement bound

2025-08-22 17:55:15 +00:00

wf-static-method.rs

borrowck: use implied bounds from impl header

2024-01-16 09:25:28 +01:00

wf-static-method.stderr

borrowck: use implied bounds from impl header

2024-01-16 09:25:28 +01:00

wf-static-type.rs

Check statics' type in type_of.

2025-07-25 23:39:26 +00:00

wf-static-type.stderr

Check statics' type in type_of.

2025-07-25 23:39:26 +00:00

wf-struct-bound.rs

…

wf-struct-bound.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-struct-field.rs

…

wf-struct-field.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-trait-associated-type-bound.rs

…

wf-trait-associated-type-bound.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-trait-associated-type-region.rs

…

wf-trait-associated-type-region.stderr

Avoid looking at HIR for trait and impl items

2025-06-30 08:45:43 +00:00

wf-trait-associated-type-trait.rs

…

wf-trait-associated-type-trait.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-trait-bound.rs

…

wf-trait-bound.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-trait-default-fn-arg.rs

…

wf-trait-default-fn-arg.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-trait-default-fn-ret.rs

update comment

2025-01-30 11:56:29 +01:00

wf-trait-default-fn-ret.stderr

update comment

2025-01-30 11:56:29 +01:00

wf-trait-default-fn-where-clause.rs

…

wf-trait-default-fn-where-clause.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

wf-trait-fn-arg.current.stderr

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-fn-arg.next.stderr

Manually walk into WF obligations in BestObligation proof tree visitor

2025-01-31 18:21:58 +00:00

wf-trait-fn-arg.rs

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-fn-ret.current.stderr

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-fn-ret.next.stderr

Manually walk into WF obligations in BestObligation proof tree visitor

2025-01-31 18:21:58 +00:00

wf-trait-fn-ret.rs

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-fn-where-clause.current.stderr

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-fn-where-clause.next.stderr

Manually walk into WF obligations in BestObligation proof tree visitor

2025-01-31 18:21:58 +00:00

wf-trait-fn-where-clause.rs

Don't pick T: FnPtr nested goals

2025-01-22 06:55:38 +00:00

wf-trait-superbound.rs

…

wf-trait-superbound.stderr

Use trait name instead of full constraint in suggestion message

2024-12-07 21:29:58 +00:00

wf-where-clauses-pre-normalization.rs

add test from modcholesky breakage

2025-12-10 14:47:49 +00:00

wf-where-clauses-pre-normalization.stderr

add test from modcholesky breakage

2025-12-10 14:47:49 +00:00