Guillaume Gomez 8c3864b6cc Rollup merge of #155561 - cijiugechu:fix/need-type-info-underscore-wording, r=adwinwhite ...

Use singular wording for single _ placeholders in type suggestions

While looking this part of code, I noticed this FIXME and fixed it :)

2026-04-23 14:42:48 +02:00

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alias-liveness

mark two polonius tests as known-bug

2026-02-28 11:08:02 +01:00

apit

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auto-trait-leakage

Ignore tests for the parallel frontend

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

auxiliary

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diagnostics

Revert #152369 because of multiple regressions

2026-04-09 18:53:59 +02:00

explicit-generic-args-with-impl-trait

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in-bindings

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in-ctfe

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in-trait

Make E0284 generic argument suggestions more explicit

2026-04-20 16:46:57 +06:00

issues

Make messages more generic

2026-03-28 16:18:11 +09:00

member-constraints

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method

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multiple-lifetimes

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non-defining-uses

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precise-capturing

Sort pre-expansion gates and add more visible disclaimers

2026-04-01 17:01:58 +02:00

rpit

Tests for precise-capture through RPIT and TAIT

2026-04-14 21:14:10 +10:00

transmute

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associated-impl-trait-type-generic-trait.rs

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associated-impl-trait-type-into-emplacable.rs

add regression test

2026-04-07 16:06:24 +08:00

associated-impl-trait-type-issue-114325.rs

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associated-impl-trait-type-trivial.rs

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associated-impl-trait-type.rs

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associated-type-cycle.rs

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associated-type-cycle.stderr

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associated-type-fn-bound-issue-72207.rs

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associated-type-undefine.rs

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associated-type-undefine.stderr

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async_scope_creep.rs

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auto-trait-selection-freeze.next.stderr

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auto-trait-selection-freeze.old.stderr

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auto-trait-selection-freeze.rs

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auto-trait-selection.next.stderr

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auto-trait-selection.old.stderr

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auto-trait-selection.rs

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autoderef.rs

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basic-trait-impl.rs

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bivariant-lifetime-liveness.rs

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bound-normalization-fail.rs

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bound-normalization-fail.stderr

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bound-normalization-pass.rs

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bounds_regression.rs

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call_method_ambiguous.rs

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call_method_on_inherent_impl_on_rigid_type.current.stderr

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call_method_on_inherent_impl_on_rigid_type.next.stderr

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call_method_on_inherent_impl_on_rigid_type.rs

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call_method_on_inherent_impl_ref-err.current.stderr

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call_method_on_inherent_impl_ref-err.next.stderr

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call_method_on_inherent_impl_ref-err.rs

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call_method_on_inherent_impl_ref-ok.rs

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call_method_on_inherent_impl.rs

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call_method_without_import.no_import.stderr

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call_method_without_import.rs

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capture-lifetime-not-in-hir.rs

Rename #![rustc_variance_of_opaques] to #![rustc_dump_variances_of_opaques]

2026-03-02 19:31:15 +01:00

capture-lifetime-not-in-hir.stderr

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captured-invalid-lifetime.rs

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captured-invalid-lifetime.stderr

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closure-calling-parent-fn.rs

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closure-in-impl-trait-arg.rs

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closure-in-impl-trait.rs

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closure-in-type.rs

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cross-return-site-inference.rs

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cross-return-site-inference.stderr

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deduce-signature-from-supertrait.rs

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define-via-const.rs

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define-via-extern.rs

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define-via-extern.stderr

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defined-by-trait-resolution.rs

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defining-use-captured-non-universal-region.infer.stderr

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defining-use-captured-non-universal-region.rs

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defining-use-captured-non-universal-region.statik.stderr

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defining-use-uncaptured-non-universal-region-2.rs

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defining-use-uncaptured-non-universal-region-3.rs

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defining-use-uncaptured-non-universal-region.rs

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deprecated_annotation.rs

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different_where_bounds.rs

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divergence.rs

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does-not-live-long-enough.rs

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does-not-live-long-enough.stderr

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dont-suggest-box-on-empty-else-arm.rs

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dont-suggest-box-on-empty-else-arm.stderr

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dyn-impl-type-mismatch.rs

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dyn-impl-type-mismatch.stderr

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dyn-incompatible-trait-in-return-position-dyn-trait.rs

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dyn-incompatible-trait-in-return-position-dyn-trait.stderr

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dyn-incompatible-trait-in-return-position-impl-trait.rs

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dyn-incompatible-trait-in-return-position-impl-trait.stderr

Improve E0308 error message for impl Trait return mismatches

2026-04-20 13:59:39 +05:30

dyn-trait-elided-two-inputs-assoc.rs

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dyn-trait-elided-two-inputs-param.rs

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dyn-trait-elided-two-inputs-ref-assoc.rs

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dyn-trait-elided-two-inputs-ref-param.rs

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dyn-trait-return-should-be-impl-trait.edition2015.stderr

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dyn-trait-return-should-be-impl-trait.edition2021.stderr

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dyn-trait-return-should-be-impl-trait.rs

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eagerly-reveal-in-local-body.rs

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equal-hidden-lifetimes.rs

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equality2.rs

allow incomplete_features in most UI tests

2026-03-21 20:10:07 +00:00

equality2.stderr

allow incomplete_features in most UI tests

2026-03-21 20:10:07 +00:00

equality-in-canonical-query.rs

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equality-rpass.rs

allow incomplete_features in most UI tests

2026-03-21 20:10:07 +00:00

equality.rs

allow incomplete_features in most UI tests

2026-03-21 20:10:07 +00:00

equality.stderr

Improve E0308 error message for impl Trait return mismatches

2026-04-20 13:59:39 +05:30

erased-regions-in-hidden-ty.current.stderr

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erased-regions-in-hidden-ty.next.stderr

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erased-regions-in-hidden-ty.rs

Rename #[rustc_hidden_type_of_opaques] to #[rustc_dump_hidden_type_of_opaques]

2026-04-10 12:14:07 +02:00

example-calendar.rs

Remove unused features in tests

2026-03-04 08:06:45 +08:00

example-st.rs

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example-st.stderr

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extra-impl-in-trait-impl.fixed

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extra-impl-in-trait-impl.rs

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extra-impl-in-trait-impl.stderr

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extra-item.rs

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extra-item.stderr

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failed-to-resolve-instance-ice-105488.rs

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failed-to-resolve-instance-ice-105488.stderr

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failed-to-resolve-instance-ice-123145.rs

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failed-to-resolve-instance-ice-123145.stderr

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fallback_inference.rs

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fallback_inference.stderr

Make E0284 generic argument suggestions more explicit

2026-04-20 16:46:57 +06:00

fallback.rs

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feature-self-return-type.rs

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feature-self-return-type.stderr

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fresh-lifetime-from-bare-trait-obj-114664.rs

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fresh-lifetime-from-bare-trait-obj-114664.stderr

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future-no-bound-vars-ice-112347.rs

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generic-with-implicit-hrtb-without-dyn.edition2015.stderr

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generic-with-implicit-hrtb-without-dyn.edition2021.stderr

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generic-with-implicit-hrtb-without-dyn.pre2021.stderr

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generic-with-implicit-hrtb-without-dyn.rs

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hidden-lifetimes.edition2015.stderr

mark two polonius tests as known-bug

2026-02-28 11:08:02 +01:00

hidden-lifetimes.edition2024.stderr

mark two polonius tests as known-bug

2026-02-28 11:08:02 +01:00

hidden-lifetimes.rs

mark two polonius tests as known-bug

2026-02-28 11:08:02 +01:00

hidden-type-is-opaque-2.default.stderr

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hidden-type-is-opaque-2.next.stderr

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hidden-type-is-opaque-2.rs

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hidden-type-is-opaque.rs

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higher-ranked-lifetime-capture-deduplication.edition2015.stderr

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higher-ranked-lifetime-capture-deduplication.edition2024.stderr

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higher-ranked-lifetime-capture-deduplication.rs

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ice-148622-opaque-as-const-generics.rs

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ice-148622-opaque-as-const-generics.stderr

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ice-unexpected-param-type-whensubstituting-in-region-112823.current.stderr

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ice-unexpected-param-type-whensubstituting-in-region-112823.next.stderr

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ice-unexpected-param-type-whensubstituting-in-region-112823.rs

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impl_fn_associativity.rs

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impl_trait_projections.rs

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impl_trait_projections.stderr

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impl-fn-hrtb-bounds-2.edition2015.stderr

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impl-fn-hrtb-bounds-2.edition2024.stderr

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impl-fn-hrtb-bounds-2.rs

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impl-fn-hrtb-bounds.rs

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impl-fn-hrtb-bounds.stderr

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impl-fn-parsing-ambiguities.rs

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impl-fn-parsing-ambiguities.stderr

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impl-fn-predefined-lifetimes.edition2015.stderr

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impl-fn-predefined-lifetimes.edition2024.stderr

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impl-fn-predefined-lifetimes.rs

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impl-fn-rpit-opaque-107883.rs

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impl-generic-mismatch.rs

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impl-generic-mismatch.stderr

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impl-subtyper2.rs

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impl-subtyper.rs

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impl-trait-in-generic-param.rs

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impl-trait-in-generic-param.stderr

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impl-trait-in-macro.rs

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impl-trait-in-macro.stderr

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impl-trait-plus-priority.rs

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impl-trait-plus-priority.stderr

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implicit-capture-late.rs

Rename #![rustc_variance_of_opaques] to #![rustc_dump_variances_of_opaques]

2026-03-02 19:31:15 +01:00

implicit-capture-late.stderr

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in-assoc-type-unconstrained.rs

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in-assoc-type-unconstrained.stderr

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in-assoc-type.rs

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in-assoc-type.stderr

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inside-item-nested-in-anon-const.rs

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lazy_subtyping_of_opaques.rs

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lifetime-ambiguity-regression.rs

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lifetimes.rs

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mapping-duplicated-lifetimes-issue-114597.rs

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multiple-defining-usages-in-body.rs

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multiple-defining-usages-in-body.stderr

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must_outlive_least_region_or_bound.rs

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must_outlive_least_region_or_bound.stderr

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name-mentioning-macro.rs

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name-mentioning-macro.stderr

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needs_least_region_or_bound.rs

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negative-reasoning.rs

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negative-reasoning.stderr

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nested_impl_trait.rs

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nested_impl_trait.stderr

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nested-hkl-lifetime.rs

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nested-return-type2-tait2.rs

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nested-return-type2-tait2.stderr

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nested-return-type2-tait3.rs

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nested-return-type2-tait3.stderr

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nested-return-type2-tait.rs

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nested-return-type2-tait.stderr

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nested-return-type2.rs

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nested-return-type3-tait2.rs

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nested-return-type3-tait2.stderr

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nested-return-type3-tait3.rs

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nested-return-type3-tait3.stderr

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nested-return-type3-tait.rs

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nested-return-type3-tait.stderr

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nested-return-type3.rs

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nested-return-type4.rs

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nested-return-type4.stderr

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nested-return-type.rs

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nested-rpit-hrtb-2.rs

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nested-rpit-hrtb-2.stderr

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nested-rpit-hrtb.rs

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nested-rpit-hrtb.stderr

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nested-rpit-with-anonymous-lifetimes.rs

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nesting.rs

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no-anonymize-regions.rs

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no-method-suggested-traits.rs

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no-method-suggested-traits.stderr

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no-trait.rs

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no-trait.stderr

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normalize-opaque-with-bound-vars.rs

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normalize-tait-in-const.rs

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normalize-tait-in-const.stderr

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not_general_enough_regression_106630.rs

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opaque-cast-field-access-in-future.rs

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opaque-cast-field-access-in-future.stderr

Tweak wording of failed predicate in inference error

2026-03-16 17:58:49 +00:00

opaque-hidden-inferred-rpitit.rs

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opaque-used-in-extraneous-argument.rs

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opaque-used-in-extraneous-argument.stderr

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opt-out-bound-not-satisfied.rs

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opt-out-bound-not-satisfied.stderr

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point-to-type-err-cause-on-impl-trait-return.rs

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point-to-type-err-cause-on-impl-trait-return.stderr

Improve E0308 error message for impl Trait return mismatches

2026-04-20 13:59:39 +05:30

printing-binder.rs

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printing-binder.stderr

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private_unused.rs

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projection-mismatch-in-impl-where-clause.rs

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projection-mismatch-in-impl-where-clause.stderr

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projection.rs

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question_mark.rs

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recursive-auto-trait.rs

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recursive-bound-eval.rs

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recursive-coroutine-boxed.rs

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recursive-coroutine-indirect.current.stderr

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recursive-coroutine-indirect.next.stderr

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recursive-coroutine-indirect.rs

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recursive-ice-101862.rs

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recursive-ice-101862.stderr

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recursive-impl-trait-type-direct.rs

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recursive-impl-trait-type-indirect.rs

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recursive-impl-trait-type-indirect.stderr

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recursive-impl-trait-type-through-non-recursive.rs

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recursive-impl-trait-type-through-non-recursive.stderr

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recursive-in-exhaustiveness.current.stderr

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recursive-in-exhaustiveness.next.stderr

Use singular wording for single _ placeholders in type suggestions

2026-04-20 22:21:51 +08:00

recursive-in-exhaustiveness.rs

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recursive-parent-trait-method-call.rs

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recursive-type-alias-impl-trait-declaration-too-subtle-2.rs

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recursive-type-alias-impl-trait-declaration-too-subtle.rs

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recursive-type-alias-impl-trait-declaration-too-subtle.stderr

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recursive-type-alias-impl-trait-declaration.rs

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recursive-type-alias-impl-trait-declaration.stderr

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region-escape-via-bound-contravariant-closure.rs

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region-escape-via-bound-contravariant.rs

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region-escape-via-bound.rs

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region-escape-via-bound.stderr

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return-position-impl-trait-minimal.rs

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reveal-during-codegen.rs

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rpit-assoc-pair-with-lifetime.rs

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rpit-assoc-pair-with-lifetime.stderr

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rpit-not-sized.rs

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rpit-not-sized.stderr

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stashed-diag-issue-121504.rs

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stashed-diag-issue-121504.stderr

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static-lifetime-return-position-impl-trait.rs

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static-return-lifetime-infered.rs

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static-return-lifetime-infered.stderr

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stranded-opaque.rs

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stranded-opaque.stderr

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struct-field-fragment-in-name.rs

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suggest-calling-rpit-closure.rs

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suggest-calling-rpit-closure.stderr

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trait_resolution.rs

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trait_type.rs

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trait_type.stderr

Improve cross-crate trait impl param mismatch suggestions

2026-02-28 05:29:28 +00:00

trait_upcasting_reference_mismatch.rs

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trait_upcasting_reference_mismatch.stderr

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trait_upcasting.rs

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two_tait_defining_each_other2.current.stderr

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two_tait_defining_each_other2.next.stderr

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two_tait_defining_each_other2.rs

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two_tait_defining_each_other3.current.stderr

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two_tait_defining_each_other3.rs

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two_tait_defining_each_other.current.stderr

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two_tait_defining_each_other.rs

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type_parameters_captured.rs

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type_parameters_captured.stderr

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type-alias-generic-param.rs

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type-alias-generic-param.stderr

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type-alias-impl-trait-in-fn-body.rs

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type-alias-impl-trait-in-fn-body.stderr

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type-arg-mismatch-due-to-impl-trait.rs

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type-arg-mismatch-due-to-impl-trait.stderr

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unactionable_diagnostic.fixed

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unactionable_diagnostic.rs

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unactionable_diagnostic.stderr

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universal_hrtb_anon.rs

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universal_hrtb_named.rs

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universal_in_adt_in_parameters.rs

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universal_in_impl_trait_in_parameters.rs

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universal_in_trait_defn_parameters.rs

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universal_multiple_bounds.rs

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universal_wrong_bounds.rs

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universal_wrong_bounds.stderr

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universal_wrong_hrtb.rs

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universal_wrong_hrtb.stderr

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universal-mismatched-type.rs

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universal-mismatched-type.stderr

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universal-two-impl-traits.rs

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universal-two-impl-traits.stderr

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unsafety-checking-cycle.rs

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unsize_adt.rs

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unsize_slice.rs

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unsize-cast-validation-rpit.rs

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unsized_coercion2.old.stderr

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unsized_coercion2.rs

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unsized_coercion3.next.stderr

Revert "bless some tests"

2026-03-23 12:09:34 +01:00

unsized_coercion3.old.stderr

Revert "bless some tests"

2026-03-23 12:09:34 +01:00

unsized_coercion3.rs

Revert "bless some tests"

2026-03-23 12:09:34 +01:00

unsized_coercion4.rs

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unsized_coercion5.old.stderr

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unsized_coercion5.rs

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unsized_coercion.next.stderr

Revert "bless some tests"

2026-03-23 12:09:34 +01:00

unsized_coercion.rs

Revert "bless some tests"

2026-03-23 12:09:34 +01:00

upvar_captures.rs

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upvar_captures.stderr

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variance.e2024.stderr

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variance.old.stderr

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variance.rs

Rename #![rustc_variance_of_opaques] to #![rustc_dump_variances_of_opaques]

2026-03-02 19:31:15 +01:00

wf-check-hidden-type.rs

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wf-check-hidden-type.stderr

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wf-eval-order.rs

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where-allowed-2.rs

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where-allowed-2.stderr

Tweak wording of failed predicate in inference error

2026-03-16 17:58:49 +00:00

where-allowed.rs

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where-allowed.stderr

Update UI tests for SyncView rename

2026-04-06 18:10:08 -07:00

xcrate_simple.rs

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xcrate.rs

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