improve DiscriminantKind handling #74276
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☔ The latest upstream changes (presumably #74175) made this pull request unmergeable. Please resolve the merge conflicts. |
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This now reuses `fn discriminant_ty` in project, removing some code duplication. Doing so made me realize that we previously had a disagreement about the discriminant type of generators, with MIR using `u32` and codegen and trait selection using `i32`. We now always use `u32`.
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Renamed the lang item to |
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…arth Rollup of 14 pull requests Successful merges: - rust-lang#72973 (RISC-V GNU/Linux as host platform) - rust-lang#73918 (Clean up E0715 explanation) - rust-lang#73959 (Clean up E0716 explanation) - rust-lang#74119 (Remove `Compiler::compile()`.) - rust-lang#74196 (Add option to collapse automatically implementors) - rust-lang#74218 (Add margin after doc search results) - rust-lang#74276 (improve DiscriminantKind handling) - rust-lang#74291 (Added docs for `From<c_int>` for `ExitStatus`) - rust-lang#74294 (Update cross-compilation README) - rust-lang#74337 (Handle case of incomplete local ty more gracefully) - rust-lang#74344 (Remove string comparison and use diagnostic item instead) - rust-lang#74347 (Initialize default providers only once) - rust-lang#74353 (Edit docs for rustc_middle::dep_graph::dep_node) - rust-lang#74374 (Add a 1.45 release note on lto vs. embed-bitcode) Failed merges: - rust-lang#74251 (Teach bootstrap about target files vs target triples) r? @ghost
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Adds a lang item
discriminant_typefor the associated typeDiscriminantKind::Discriminant.Changes the discriminant of generators from
i32tou32, which should not be observable to fix anoversight where MIR was using
u32and codegen and typeck usedi32.