From c852475f7ab3d15312b768c134d43668a24ecee1 Mon Sep 17 00:00:00 2001
From: pcc <peter@pcc.me.uk>
Date: Tue, 4 Jun 2024 11:29:03 -0700
Subject: [PATCH] gn build: Pass -fno-sanitize=vptr,function with use_ubsan

Matches CMake LLVM_UBSAN_FLAGS.

Reviewers: aeubanks

Reviewed By: aeubanks

Pull Request: https://github.com/llvm/llvm-project/pull/93911
---
 llvm/utils/gn/build/BUILD.gn | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/utils/gn/build/BUILD.gn b/llvm/utils/gn/build/BUILD.gn
index b44f8b5d86f1c9..68c0cbfd384a65 100644
--- a/llvm/utils/gn/build/BUILD.gn
+++ b/llvm/utils/gn/build/BUILD.gn
@@ -375,6 +375,7 @@ config("compiler_defaults") {
            "ubsan only supported on iOS/Clang, Linux/Clang, or macOS/Clang")
     cflags += [
       "-fsanitize=undefined",
+      "-fno-sanitize=vptr,function",
       "-fno-sanitize-recover=all",
     ]
     ldflags += [ "-fsanitize=undefined" ]