deriving: avoid dummy Span on an artificial type_ident path
#65310
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The dummy Span pointed to the beginning of the source file instead to where the `#[derive]` is located. Later, it tripped the `in_derive_expansion(span)` check at `src/librustc/middle/stability.rs`, causing a span-less deprecation warning to be emitted. Fixes rust-lang#56195, rust-lang#55417.
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(rust_highfive has picked a reviewer for you, use r? to override) |
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Can you add a ui test exercising this? |
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@da-x I'm not sure what's going on there, but I am surprised there wasn't a corresponding |
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@bors r+ rollup |
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📌 Commit e285175 has been approved by |
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deriving: avoid dummy Span on an artificial `type_ident` path The dummy Span pointed to the beginning of the source file instead to where the `#[derive]` is located. Later, it tripped the `in_derive_expansion(span)` check at `src/librustc/middle/stability.rs`, causing a span-less deprecation warning to be emitted. Fixes rust-lang#56195, Fixes rust-lang#55417.
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Rollup of 15 pull requests Successful merges: - #64337 (libstd: Fix typos in doc) - #64986 (Function pointers as const generic arguments) - #65048 (Added doc about behavior of extend on HashMap) - #65191 (Add some regression tests) - #65200 (Add ?Sized bound to a supertrait listing in E0038 error documentation) - #65205 (Add long error explanation for E0568) - #65220 (Update LLVM for Emscripten exception handling support) - #65263 (Deduplicate is_{freeze,copy,sized}_raw) - #65266 (Mark Path::join as must_use) - #65276 (Don't cc rust-lang/compiler for toolstate changes) - #65277 (Query generator kind for error reporting) - #65283 (stability: Do not use `buffer_lint` after lowering to HIR) - #65289 (Fix suggested bound addition diagnostic) - #65310 (deriving: avoid dummy Span on an artificial `type_ident` path) - #65321 (Remove painful test that is not pulling its weight) Failed merges: r? @ghost
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The dummy Span pointed to the beginning of the source file instead to where the
#[derive]is located. Later, it tripped thein_derive_expansion(span)check atsrc/librustc/middle/stability.rs, causing a span-less deprecation warning to be emitted.Fixes #56195, Fixes #55417.