1 files changed, 3 insertions, 5 deletions
diff --git a/Source/JavaScriptCore/parser/SourceProvider.cpp b/Source/JavaScriptCore/parser/SourceProvider.cpp
index 19ffb3372..d12045592 100644
--- a/Source/JavaScriptCore/parser/SourceProvider.cpp
+++ b/Source/JavaScriptCore/parser/SourceProvider.cpp
@@ -25,10 +25,8 @@
 
 #include "config.h"
 #include "SourceProvider.h"
-
-#include "JSCInlines.h"
-#include <wtf/Lock.h>
 #include <wtf/StdLibExtras.h>
+#include <wtf/TCSpinLock.h>
 
 namespace JSC {
 
@@ -44,11 +42,11 @@ SourceProvider::~SourceProvider()
 {
 }
 
-static StaticLock providerIdLock;
+static TCMalloc_SpinLock providerIdLock = SPINLOCK_INITIALIZER;
 
 void SourceProvider::getID()
 {
-    LockHolder lock(&providerIdLock);
+    SpinLockHolder lock(&providerIdLock);
     if (!m_id) {
         static intptr_t nextProviderID = 0;
         m_id = ++nextProviderID;