diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src/ssa.rs')
-rw-r--r-- | compiler/rustc_mir_transform/src/ssa.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_mir_transform/src/ssa.rs b/compiler/rustc_mir_transform/src/ssa.rs index 7a0d3a025..8dc2dfe13 100644 --- a/compiler/rustc_mir_transform/src/ssa.rs +++ b/compiler/rustc_mir_transform/src/ssa.rs @@ -271,6 +271,14 @@ fn compute_copy_classes(ssa: &mut SsaLocals, body: &Body<'_>) { else { continue }; let Some(rhs) = place.as_local() else { continue }; + let local_ty = body.local_decls()[local].ty; + let rhs_ty = body.local_decls()[rhs].ty; + if local_ty != rhs_ty { + // FIXME(#112651): This can be removed afterwards. + trace!("skipped `{local:?} = {rhs:?}` due to subtyping: {local_ty} != {rhs_ty}"); + continue; + } + if !ssa.is_ssa(rhs) { continue; } |