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bors 425a9c0a0e Auto merge of #145284 - nnethercote:type_name-print-regions, r=lcnr 
Print regions in `type_name`.

Currently they are skipped, which is a bit weird, and it sometimes causes malformed output like `Foo<>` and `dyn Bar<, A = u32>`.

Most regions are erased by the time `type_name` does its work. So all regions are now printed as `'_` in non-optional places. Not perfect, but better than the status quo.

`c_name` is updated to trim lifetimes from MIR pass names, so that the `PASS_NAMES` sanity check still works. It is also renamed as `simplify_pass_type_name` and made non-const, because it doesn't need to be const and the non-const implementation is much shorter.

The commit also renames `should_print_region` as `should_print_optional_region`, which makes it clearer that it only applies to some regions.

Fixes rust-lang/rust#145168.

r? `@lcnr`
2025-08-17 10:24:20 +00:00
..
ascription Remove old diagnostic notes for type ascription syntax 2025-04-16 20:24:55 +10:00
auxiliary cleaned up some tests 2025-07-10 18:47:20 +05:00
pattern_types Print thread ID in panic message if thread name is unknown 2025-08-06 23:59:47 +00:00
type-check compiletest: Do not require annotations on empty labels and suggestions 2025-05-03 22:49:23 +03:00
binding-assigned-block-without-tail-expression.rs
binding-assigned-block-without-tail-expression.stderr Implement DesugaringKind::FormatLiteral 2025-06-22 10:58:25 +02:00
clarify-error-for-generics-with-default-issue-120785.rs Update item order in test 2024-02-28 19:28:34 -05:00
clarify-error-for-generics-with-default-issue-120785.stderr Update item order in test 2024-02-28 19:28:34 -05:00
closure-with-wrong-borrows.rs
closure-with-wrong-borrows.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
inherent-impl-primitive-types-error.rs cleaned up some tests 2025-07-01 16:26:57 +05:00
inherent-impl-primitive-types-error.stderr cleaned up some tests 2025-07-01 16:26:57 +05:00
issue-7607-1.rs Move some tests 2024-04-21 15:43:43 -03:00
issue-7607-1.stderr Move some tests 2024-04-21 15:43:43 -03:00
issue-7607-2.rs Use non-2015 edition paths in tests that do not test for their resolution 2025-06-05 09:19:31 +02:00
issue-58355.rs
issue-58355.stderr Remove detail from label/note that is already available in other note 2024-10-29 16:26:57 +00:00
issue-67690-type-alias-bound-diagnostic-crash.rs Improve the impl and diag output of lint type_alias_bounds 2024-07-23 01:48:03 +02:00
issue-67690-type-alias-bound-diagnostic-crash.stderr Improve the impl and diag output of lint type_alias_bounds 2024-07-23 01:48:03 +02:00
issue-91268.rs compiletest: Require //~ annotations even if error-pattern is specified 2025-04-03 11:08:55 +03:00
issue-91268.stderr compiletest: Require //~ annotations even if error-pattern is specified 2025-04-03 11:08:55 +03:00
issue-94187-verbose-type-name.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
issue-100584.rs
issue-100584.stderr Trim suggestion parts to the subset that is purely additive 2025-02-14 00:44:10 -08:00
issue-101866.rs
issue-101866.stderr Deduplicate more sized errors on call exprs 2024-01-24 02:53:15 +00:00
issue-102598.rs
issue-102598.stderr Add FnContext in parser for diagnostic 2025-08-14 21:31:47 +08:00
issue-103271.rs UI tests: add missing diagnostic kinds where possible 2025-04-08 23:06:31 +03:00
issue-103271.stderr Show diff suggestion format on verbose replacement 2025-02-10 20:21:39 +00:00
missing-let-in-binding-2.fixed [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
missing-let-in-binding-2.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
missing-let-in-binding-2.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
missing-let-in-binding-3.rs
missing-let-in-binding-3.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
missing-let-in-binding-4.rs
missing-let-in-binding-4.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
missing-let-in-binding.fixed [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
missing-let-in-binding.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
missing-let-in-binding.stderr Remove old diagnostic notes for type ascription syntax 2025-04-16 20:24:55 +10:00
mutually-recursive-types.rs cleaned up some tests 2025-07-01 15:29:29 +05:00
option-ref-advice.rs compiletest: Improve diagnostics for line annotation mismatches 2025-06-23 21:30:56 +03:00
option-ref-advice.stderr Rename tests/ui/issues/issue-100605.rs to ../type/option-ref-advice.rs 2023-08-05 15:36:19 +02:00
type-alias-bounds.rs Improve the impl and diag output of lint type_alias_bounds 2024-07-23 01:48:03 +02:00
type-alias-bounds.stderr Improve the impl and diag output of lint type_alias_bounds 2024-07-23 01:48:03 +02:00
type-annotation-needed.rs
type-annotation-needed.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
type-arg-out-of-scope.rs compiletest: Require //~ annotations even if error-pattern is specified 2025-04-03 11:08:55 +03:00
type-arg-out-of-scope.stderr compiletest: Require //~ annotations even if error-pattern is specified 2025-04-03 11:08:55 +03:00
type-ascription-instead-of-initializer.rs
type-ascription-instead-of-initializer.stderr Use ordinal number in argument error 2024-07-14 13:50:09 +09:00
type-ascription-instead-of-statement-end.rs
type-ascription-instead-of-statement-end.stderr Remove old diagnostic notes for type ascription syntax 2025-04-16 20:24:55 +10:00
type-ascription-precedence.rs
type-ascription-precedence.stderr Remove old diagnostic notes for type ascription syntax 2025-04-16 20:24:55 +10:00
type-ascription-soundness.rs
type-ascription-soundness.stderr
type-ascription-with-fn-call.fixed [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
type-ascription-with-fn-call.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
type-ascription-with-fn-call.stderr Remove old diagnostic notes for type ascription syntax 2025-04-16 20:24:55 +10:00
type-ascription.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
type-check-defaults.rs
type-check-defaults.stderr Add ty_span query 2025-07-07 08:13:12 +00:00
type-dependent-def-issue-49241.rs
type-dependent-def-issue-49241.stderr Show diff suggestion format on verbose replacement 2025-02-10 20:21:39 +00:00
type-error-break-tail.rs
type-error-break-tail.stderr Tweak value suggestions in borrowck and hir_analysis 2024-04-09 23:37:13 +00:00
type-mismatch-multiple.rs compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-mismatch-multiple.stderr compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-mismatch-same-crate-name.rs Add more info on type/trait mismatches for different crate versions 2024-12-07 18:18:08 +00:00
type-mismatch-same-crate-name.stderr Add missing dyn keywords to tests that do not test for them 2025-06-05 09:41:58 +02:00
type-mismatch.rs
type-mismatch.stderr recurse into refs when comparing tys for diagnostics 2023-12-07 23:00:46 -05:00
type-name-basic.rs Print regions in type_name. 2025-08-14 21:13:06 +10:00
type-parameter-defaults-referencing-Self-ppaux.rs Use more detailed spans in dyn compat errors within bodies 2025-05-27 08:18:11 +00:00
type-parameter-defaults-referencing-Self-ppaux.stderr Use more detailed spans in dyn compat errors within bodies 2025-05-27 08:18:11 +00:00
type-parameter-defaults-referencing-Self.rs
type-parameter-defaults-referencing-Self.stderr Properly report error when object type param default references self 2025-01-24 04:07:10 +00:00
type-parameter-names.rs compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-parameter-names.stderr compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-params-in-different-spaces-1.rs compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-params-in-different-spaces-1.stderr compiletest: Make diagnostic kind mandatory on line annotations 2025-04-30 10:44:24 +03:00
type-params-in-different-spaces-2.rs
type-params-in-different-spaces-2.stderr
type-params-in-different-spaces-3.rs
type-params-in-different-spaces-3.stderr Note that type param is chosen by caller when suggesting return impl Trait 2024-03-16 23:20:42 +00:00
type-path-err-node-types.rs
type-path-err-node-types.stderr
type-recursive-box-shadowed.rs
type-recursive-box-shadowed.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
type-recursive.rs
type-recursive.stderr
type-shadow.rs
type-shadow.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
type-unsatisfiable.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
type-unsatisfiable.usage.stderr Show number in error message even for one error 2023-11-24 19:15:52 +01:00
typeid-consistency.rs cleaned up some tests 2025-07-10 18:47:20 +05:00
unit-type-basic-usages.rs cleaned up some tests 2025-07-10 18:50:35 +05:00
usize-no-generic-arguments.rs cleaned up some tests 2025-07-10 18:50:35 +05:00
usize-no-generic-arguments.stderr cleaned up some tests 2025-07-10 18:50:35 +05:00
verbose.normal.stderr don't elide shared parts of types in diagnostics when --verbose is passed 2023-12-24 16:47:18 -05:00
verbose.rs [AUTO-GENERATED] Migrate ui tests from // to //@ directives 2024-02-16 20:02:50 +00:00
verbose.verbose.stderr don't elide shared parts of types in diagnostics when --verbose is passed 2023-12-24 16:47:18 -05:00
wrong-call-return-type-due-to-generic-arg.rs
wrong-call-return-type-due-to-generic-arg.stderr Show diff suggestion format on verbose replacement 2025-02-10 20:21:39 +00:00