From 21de42bf8ddd0f39c766c7705990152302ae1f3b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 1 Dec 2024 13:12:43 +0100 Subject: Variants::Single: do not use invalid VariantIdx for uninhabited enums --- compiler/rustc_codegen_cranelift/src/discriminant.rs | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'compiler/rustc_codegen_cranelift/src') diff --git a/compiler/rustc_codegen_cranelift/src/discriminant.rs b/compiler/rustc_codegen_cranelift/src/discriminant.rs index 45794a42665..055063c876f 100644 --- a/compiler/rustc_codegen_cranelift/src/discriminant.rs +++ b/compiler/rustc_codegen_cranelift/src/discriminant.rs @@ -19,7 +19,7 @@ pub(crate) fn codegen_set_discriminant<'tcx>( } match layout.variants { Variants::Single { index } => { - assert_eq!(index, variant_index); + assert_eq!(index.unwrap(), variant_index); } Variants::Multiple { tag: _, @@ -86,9 +86,10 @@ pub(crate) fn codegen_get_discriminant<'tcx>( let (tag_scalar, tag_field, tag_encoding) = match &layout.variants { Variants::Single { index } => { + let index = index.unwrap(); let discr_val = layout .ty - .discriminant_for_variant(fx.tcx, *index) + .discriminant_for_variant(fx.tcx, index) .map_or(u128::from(index.as_u32()), |discr| discr.val); let val = match dest_layout.ty.kind() { -- cgit 1.4.1-3-g733a5