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| author | yukang <moorekang@gmail.com> | 2023-06-11 17:03:26 +0800 |
|---|---|---|
| committer | yukang <moorekang@gmail.com> | 2023-06-13 22:14:05 +0800 |
| commit | 3bbc598d16bbaab62ec3f460d1832236908607d8 (patch) | |
| tree | 384a18979c383cf536b66a31cefa2b95b52dbfaa | |
| parent | b133841bfca673f26e6f1b779b1c8cdd36600c84 (diff) | |
| download | rust-3bbc598d16bbaab62ec3f460d1832236908607d8.tar.gz rust-3bbc598d16bbaab62ec3f460d1832236908607d8.zip | |
use bug! for overflow of u128
| -rw-r--r-- | compiler/rustc_hir_typeck/src/intrinsicck.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs index e1837eb5582..362c07431e0 100644 --- a/compiler/rustc_hir_typeck/src/intrinsicck.rs +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -87,7 +87,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Some(v) = u128::from(size.bytes()).checked_mul(8) { format!("{} bits", v) } else { - format!("{} bytes", size.bytes()) + // `u128` should definitely be able to hold the size of different architectures + // larger sizes should be reported as error `are too big for the current architecture` + // otherwise we have a bug somewhere + bug!("{:?} overflow for u128", size) } } Ok(SizeSkeleton::Generic(size)) => { |