From 9dadc66d7871d64d08c3bb548a725629c5413834 Mon Sep 17 00:00:00 2001
From: jinqiang zhang <624223+peeweep@users.noreply.github.com>
Date: Mon, 16 Feb 2026 03:28:21 -0800
Subject: [PATCH] [build] Fix gcc build fails with msan enabled

Closes https://github.com/dart-lang/sdk/pull/62635

GitOrigin-RevId: 5a1772f71c3ebdf96d8df6217146bcfaae6fe7ae
Change-Id: I5bc00d5fd02a8dae55c983bb53565874a4ea528e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/479680
Commit-Queue: Slava Egorov <vegorov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
---
 sdk/BUILD.gn | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 3caf66e2cf8..64fe45dc422 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -395,9 +395,13 @@ if (!using_sanitizer && current_os == "linux" &&
   if (current_cpu == "x64" || current_cpu == "arm64") {
     sanitizers += [
       "asan",
-      "msan",
       "tsan",
     ]
+    if (is_clang) {
+      sanitizers += [
+        "msan",
+      ]
+    }
   } else if (current_cpu == "riscv64") {
     # Fuchsia Clang is missing the riscv64 MSAN runtime.
     sanitizers += [