diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/glue.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/glue.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_ssa/src/glue.rs b/compiler/rustc_codegen_ssa/src/glue.rs index 6015d48deca..0f6e6032f9b 100644 --- a/compiler/rustc_codegen_ssa/src/glue.rs +++ b/compiler/rustc_codegen_ssa/src/glue.rs @@ -29,6 +29,9 @@ pub fn size_and_align_of_dst<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( let align = meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_ALIGN) .get_usize(bx, vtable); + // Size is always <= isize::MAX. + let size_bound = bx.data_layout().ptr_sized_integer().signed_max() as u128; + bx.range_metadata(size, WrappingRange { start: 0, end: size_bound }); // Alignment is always nonzero. bx.range_metadata(align, WrappingRange { start: 1, end: !0 }); |