Usman Akinyemi b31dc4ab49 diagnostics: avoid ICE for undeclared generic parameter in impl ...

Avoid an ICE for:

    struct A;
    impl A<B> {}

The compiler no longer panics and can proceed to emit existing diagnostics.

Adds `tests/ui/missing/undeclared-generic-parameter.rs`.

Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>

2026-03-21 21:54:46 +05:30

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auxiliary

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missing-items

rustc_resolve: improve const generic errors

2026-03-19 11:49:30 +05:30

missing-allocator.rs

compiletest: Support matching on diagnostics without a span

2025-03-25 17:33:09 +03:00

missing-allocator.stderr

…

missing-block-hint.rs

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missing-block-hint.stderr

Show diff suggestion format on verbose replacement

2025-02-10 20:21:39 +00:00

missing-comma-in-match.fixed

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

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

missing-comma-in-match.rs

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

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

missing-comma-in-match.stderr

…

missing-derivable-attr.rs

…

missing-derivable-attr.stderr

…

missing-fields-in-struct-pattern.rs

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missing-fields-in-struct-pattern.stderr

Show diff suggestion format on verbose replacement

2025-02-10 20:21:39 +00:00

missing-let.rs

rustc_parse: improve the error diagnostic for "missing let"

2026-02-07 22:12:04 +05:30

missing-let.stderr

rustc_parse: improve the error diagnostic for "missing let"

2026-02-07 22:12:04 +05:30

missing-macro-use.rs

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

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

missing-macro-use.stderr

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missing-main.rs

compiletest: Require //~ annotations even if error-pattern is specified

2025-04-03 11:08:55 +03:00

missing-main.stderr

compiletest: Require //~ annotations even if error-pattern is specified

2025-04-03 11:08:55 +03:00

missing-return.rs

UI tests: migrate remaining compile time error-patterns to line annotations

2025-04-13 21:48:53 +03:00

missing-return.stderr

UI tests: migrate remaining compile time error-patterns to line annotations

2025-04-13 21:48:53 +03:00

missing-stability.rs

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missing-stability.stderr

Integrate stable feature checking into a query.

2025-07-17 23:19:12 +00:00

undeclared-generic-parameter.rs

diagnostics: avoid ICE for undeclared generic parameter in impl

2026-03-21 21:54:46 +05:30

undeclared-generic-parameter.stderr

diagnostics: avoid ICE for undeclared generic parameter in impl

2026-03-21 21:54:46 +05:30