[clang] [clang][bytecode] Narrow allocated single-array Pointer (PR #147160)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

Since the result should not be an array element.

---
Full diff: https://github.com/llvm/llvm-project/pull/147160.diff


1 Files Affected:

- (modified) clang/lib/AST/ByteCode/InterpBuiltin.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
index a73fc6c7bf2b3..1d6f444fb352c 100644
--- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp
+++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -1564,7 +1564,7 @@ static bool interp__builtin_operator_new(InterpState &S, CodePtr OpPC,
   Block *B = Allocator.allocate(Desc, S.getContext().getEvalID(),
                                 DynamicAllocator::Form::Operator);
   assert(B);
-  S.Stk.push<Pointer>(Pointer(B).atIndex(0));
+  S.Stk.push<Pointer>(Pointer(B).atIndex(0).narrow());
   return true;
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/147160