diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_middle/src/ty/layout.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index caf33fa5d21..ad817e185a3 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1310,7 +1310,10 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> { }, }; let mut abi = Abi::Aggregate { sized: true }; - if tag.value.size(dl) == size { + + // Without latter check aligned enums with custom discriminant values + // Would result in ICE see the issue #92464 for more info + if tag.value.size(dl) == size || variants.iter().all(|layout| layout.is_empty()) { abi = Abi::Scalar(tag); } else { // Try to use a ScalarPair for all tagged enums. |