diff --git a/base/compiler_specific.h b/base/compiler_specific.h
index 14a5d6870..b4d31d77e 100644
--- a/base/compiler_specific.h
+++ b/base/compiler_specific.h
@@ -334,7 +334,7 @@ inline constexpr bool AnalyzerAssumeTrue(bool arg) {
 
 // Use nomerge attribute to disable optimization of merging multiple same calls.
 #if defined(__clang__) && __has_attribute(nomerge) && !defined(OS_CHROMEOS)
-#define NOMERGE [[clang::nomerge]]
+#define NOMERGE //[[clang::nomerge]]
 #else
 #define NOMERGE
 #endif