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-rw-r--r--compiler/rustc_codegen_llvm/src/intrinsic.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs
index 06c3d8ed6bc..49d3dedbeab 100644
--- a/compiler/rustc_codegen_llvm/src/intrinsic.rs
+++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs
@@ -330,7 +330,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
                     _ => bug!(),
                 };
                 let ptr = args[0].immediate();
-                let locality = fn_args.const_at(1).to_value().valtree.unwrap_leaf().to_u32() as i32;
+                let locality = fn_args.const_at(1).to_value().valtree.unwrap_leaf().to_i32();
                 self.call_intrinsic(
                     "llvm.prefetch",
                     &[self.val_ty(ptr)],