diff options
| -rw-r--r-- | compiler/rustc_abi/src/layout.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_abi/src/layout.rs b/compiler/rustc_abi/src/layout.rs index 63983363f46..8f3c445dc91 100644 --- a/compiler/rustc_abi/src/layout.rs +++ b/compiler/rustc_abi/src/layout.rs @@ -340,7 +340,7 @@ pub trait LayoutCalculator { ..=all_indices.rev().find(|v| needs_disc(*v)).unwrap(); let count = - niche_variants.end().index() as u128 - niche_variants.start().index() as u128; + (niche_variants.end().index() as u128 - niche_variants.start().index() as u128) + 1; // Find the field with the largest niche let (field_index, niche, (niche_start, niche_scalar)) = variants[largest_variant_index] |