Remove static initializers in v8.

src/platform-posix.cc

Index: src/platform-posix.cc
diff --git a/src/platform-posix.cc b/src/platform-posix.cc
index 34fd5c4498507f678ea83a2bd33b8eb6a53e318f..826abced114ea92b397b2ca1960c9e4a07ef013b 100644
--- a/src/platform-posix.cc
+++ b/src/platform-posix.cc
@@ -283,14 +283,14 @@ int OS::VSNPrintF(Vector<char> str,
 
 #if defined(V8_TARGET_ARCH_IA32)
 static OS::MemCopyFunction memcopy_function = NULL;
-static Mutex* memcopy_function_mutex = OS::CreateMutex();
+static LazyMutex memcopy_function_mutex = LAZY_MUTEX_INITIALIZER;
 // Defined in codegen-ia32.cc.
 OS::MemCopyFunction CreateMemCopyFunction();
 
 // Copy memory area to disjoint memory area.
 void OS::MemCopy(void* dest, const void* src, size_t size) {
   if (memcopy_function == NULL) {
-    ScopedLock lock(memcopy_function_mutex);
+    ScopedLock lock(memcopy_function_mutex.Pointer());
     if (memcopy_function == NULL) {
       OS::MemCopyFunction temp = CreateMemCopyFunction();
       MemoryBarrier();