codegen_ssa: no dbginfo for scalable vec local w/ -O0#158088
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LLVM uses GlobalISel with -O0 that doesn't support scalable vectors. It normally falls back to SDAG which does support scalable vectors, but there's a bug that means that isn't happening for debuginfo - so temporarily don't emit debuginfo for scalable vector locals when there are no optimisations until that bug is fixed. See <llvm/llvm-project#204585>.
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Rollup of 12 pull requests Successful merges: - #156795 (Handle generic reborrow in expression-use adjustment walking) - #157694 (Enhance documentation on wake call memory ordering) - #157935 (Make `proc_macro::ConversionErrorKind` non exhaustive) - #158002 (Replace `unwrap` with `expect` in `get_module_children`) - #158009 (Reject `impl const Trait` since the right syntax is `const impl Trait` now) - #158034 (Fix reborrow source expression visits) - #158072 (Bump thin-vec to 0.2.18 to address RUSTSEC-2026-0103) - #158074 (Document transient connection errors from TcpListener::accept) - #158077 (rustdoc-json-types: Replace bincode dev-dependency with postcard) - #158086 (renovate: Loosen dashboard approval and adopt recommended config) - #158088 (codegen_ssa: no dbginfo for scalable vec local w/ `-O0`) - #158089 (Fix invalid "jump-to-def" doc link generation when an item has a `derive` proc-macro)
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Rollup merge of #158088 - davidtwco:scalable-vector-debuginfo-no-opt, r=lqd codegen_ssa: no dbginfo for scalable vec local w/ `-O0` LLVM uses GlobalISel with `-O0` that doesn't support scalable vectors. It normally falls back to SDAG which does support scalable vectors, but there's a bug that means that isn't happening for debuginfo - so temporarily don't emit debuginfo for scalable vector locals when there are no optimisations until that bug is fixed. cc llvm/llvm-project#204585 cc rust-lang/stdarch#2160 r? @lqd
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Rollup of 12 pull requests Successful merges: - rust-lang/rust#156795 (Handle generic reborrow in expression-use adjustment walking) - rust-lang/rust#157694 (Enhance documentation on wake call memory ordering) - rust-lang/rust#157935 (Make `proc_macro::ConversionErrorKind` non exhaustive) - rust-lang/rust#158002 (Replace `unwrap` with `expect` in `get_module_children`) - rust-lang/rust#158009 (Reject `impl const Trait` since the right syntax is `const impl Trait` now) - rust-lang/rust#158034 (Fix reborrow source expression visits) - rust-lang/rust#158072 (Bump thin-vec to 0.2.18 to address RUSTSEC-2026-0103) - rust-lang/rust#158074 (Document transient connection errors from TcpListener::accept) - rust-lang/rust#158077 (rustdoc-json-types: Replace bincode dev-dependency with postcard) - rust-lang/rust#158086 (renovate: Loosen dashboard approval and adopt recommended config) - rust-lang/rust#158088 (codegen_ssa: no dbginfo for scalable vec local w/ `-O0`) - rust-lang/rust#158089 (Fix invalid "jump-to-def" doc link generation when an item has a `derive` proc-macro)
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LLVM uses GlobalISel with
-O0that doesn't support scalable vectors. It normally falls back to SDAG which does support scalable vectors, but there's a bug that means that isn't happening for debuginfo - so temporarily don't emit debuginfo for scalable vector locals when there are no optimisations until that bug is fixed.cc llvm/llvm-project#204585
cc rust-lang/stdarch#2160
r? @lqd