cherry-pick llvm @359c064da762824fa8cfffca645e8996ddb85d53 (#11493)

cherry-pick llvm
@359c064da762824fa8cfffca645e8996ddb85d53
diff --git a/third_party/llvm-project b/third_party/llvm-project
index eb55243..9b503eb 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit eb55243207dd028a862cf99443d8b8c89e659611
+Subproject commit 9b503eb37f3149d3d9600d63f0a10af8ff7b4f30