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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2024-05-26 13:43:07 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-26 13:43:07 +0200 |
| commit | 5fef6c511d8cee3f293464c615a24b4c80c1cb35 (patch) | |
| tree | 2b05670407fda9a037a5db06c5dbf57d9efdaca5 /compiler/rustc_mir_transform/src | |
| parent | c7a17656a0828aa916ea5e90e31b3f84d00f3b97 (diff) | |
| parent | d7248d7b71fd756bef62e98b52ee1110f8d3a3c4 (diff) | |
| download | rust-5fef6c511d8cee3f293464c615a24b4c80c1cb35.tar.gz rust-5fef6c511d8cee3f293464c615a24b4c80c1cb35.zip | |
Rollup merge of #125508 - scottmcm:fix-125506, r=Nilstrieb
Stop SRoA'ing `DynMetadata` in MIR Fixes #125506
Diffstat (limited to 'compiler/rustc_mir_transform/src')
| -rw-r--r-- | compiler/rustc_mir_transform/src/sroa.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs index cdf3305b560..f19c34cae7a 100644 --- a/compiler/rustc_mir_transform/src/sroa.rs +++ b/compiler/rustc_mir_transform/src/sroa.rs @@ -70,6 +70,11 @@ fn escaping_locals<'tcx>( // Exclude #[repr(simd)] types so that they are not de-optimized into an array return true; } + if Some(def.did()) == tcx.lang_items().dyn_metadata() { + // codegen wants to see the `DynMetadata<T>`, + // not the inner reference-to-opaque-type. + return true; + } // We already excluded unions and enums, so this ADT must have one variant let variant = def.variant(FIRST_VARIANT); if variant.fields.len() > 1 { |