From 5a4ac999af36e80bfa75593270d50de1feb6930a Mon Sep 17 00:00:00 2001
From: Justin Bogner <mail@justinbogner.com>
Date: Thu, 31 Jul 2025 12:24:27 -0700
Subject: [PATCH] Suppress -Wuninitialized-const-pointer warning

Recent clang (as of #148337) introduced a warning on passing unitialized
pointers to functions that take const pointers. This is entirely
spurious on this code, but this works around it to keep the bots happy.

Build failure: https://lab.llvm.org/buildbot/#/builders/168/builds/14779
---
 llvm/unittests/Frontend/HLSLBindingTest.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/llvm/unittests/Frontend/HLSLBindingTest.cpp b/llvm/unittests/Frontend/HLSLBindingTest.cpp
index bd6a0ff724cf4..ca2f7b55dd613 100644
--- a/llvm/unittests/Frontend/HLSLBindingTest.cpp
+++ b/llvm/unittests/Frontend/HLSLBindingTest.cpp
@@ -155,8 +155,10 @@ TEST(HLSLBindingTest, TestExactOverlap) {
 
   // Since the bindings overlap exactly we need sigil values to differentiate
   // them.
-  char ID1;
-  char ID2;
+  // Note: We initialize these to 0 to suppress a -Wuninitialized-const-pointer,
+  // but we really are just using the stack addresses here.
+  char ID1 = 0;
+  char ID2 = 0;
 
   // StructuredBuffer<float> A  : register(t5);
   // StructuredBuffer<float> B  : register(t5);