diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_middle/src/ty/sty.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index e57075ed338..59601e14849 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -2067,7 +2067,9 @@ impl<'tcx> TyS<'tcx> { ) -> Option<Discr<'tcx>> { match self.kind() { TyKind::Adt(adt, _) if adt.variants.is_empty() => { - bug!("discriminant_for_variant called on zero variant enum"); + // This can actually happen during CTFE, see + // https://github.com/rust-lang/rust/issues/89765. + None } TyKind::Adt(adt, _) if adt.is_enum() => { Some(adt.discriminant_for_variant(tcx, variant_index)) |