diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/debuginfo/mod.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/place.rs | 7 |
2 files changed, 6 insertions, 5 deletions
diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs b/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs index 88d36b19da4..7c62c03d574 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs @@ -65,8 +65,8 @@ fn tag_base_type_opt<'tcx>( }); match enum_type_and_layout.layout.variants() { - // A single-variant enum has no discriminant. - Variants::Single { .. } => None, + // A single-variant or no-variant enum has no discriminant. + Variants::Single { .. } | Variants::Empty => None, Variants::Multiple { tag_encoding: TagEncoding::Niche { .. }, tag, .. } => { // Niche tags are always normalized to unsized integers of the correct size. diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index a9e80e27ed4..c634f864ffb 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -243,6 +243,7 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { return bx.cx().const_poison(cast_to); } let (tag_scalar, tag_encoding, tag_field) = match self.layout.variants { + Variants::Empty => unreachable!("we already handled uninhabited types"), Variants::Single { index } => { let discr_val = self .layout @@ -365,9 +366,9 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { return; } match self.layout.variants { - Variants::Single { index } => { - assert_eq!(index, variant_index); - } + Variants::Empty => unreachable!("we already handled uninhabited types"), + Variants::Single { index } => assert_eq!(index, variant_index), + Variants::Multiple { tag_encoding: TagEncoding::Direct, tag_field, .. } => { let ptr = self.project_field(bx, tag_field); let to = |