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-rw-r--r--compiler/rustc_middle/src/ty/vtable.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs
index 0230e05c12e..ef1c941bee4 100644
--- a/compiler/rustc_middle/src/ty/vtable.rs
+++ b/compiler/rustc_middle/src/ty/vtable.rs
@@ -60,7 +60,7 @@ impl<'tcx> TyCtxt<'tcx> {
         let ptr_align = tcx.data_layout.pointer_align.abi;
 
         let vtable_size = ptr_size * u64::try_from(vtable_entries.len()).unwrap();
-        let mut vtable = Allocation::uninit(vtable_size, ptr_align)?;
+        let mut vtable = Allocation::uninit(vtable_size, ptr_align, true)?;
 
         // No need to do any alignment checks on the memory accesses below, because we know the
         // allocation is correctly aligned as we created it above. Also we're only offsetting by