Parse `impl` restrictions - #152943

Merged

rust-bors[bot] merged 10 commits into

rust-lang:mainfrom

CoCo-Japan-pan:impl-restriction-parse

Mar 3, 2026

Commits on Feb 28, 2026

Add `impl_restriction` feature
CoCo-Japan-pan
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a0ccef6
Introduce `impl` restriction to AST
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3232d99
Parse `impl` restriction on trait definitions
CoCo-Japan-pan
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f55f6b4
Handle ambiguity between `const unsafe fn` and `const unsafe impl(path) trait`
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2b39bea
Pretty print `impl` restriction
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65aef77
Discard `impl` restrictions during HIR lowering for now
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2a48c19
Add `eq_impl_restriction` to clippy_utils
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9bf2494
rustfmt `impl` restriction
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f40881d
Add ui tests
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26d4291
Trait aliases cannot be `impl`-restricted
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3dcefa3