Revert "Require V8 to be explicitly initialized before an Isolate is created"

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index f03710a3b0405e88ad21e76ccb7fdb6701eded2b..3eb189f409c509589651dd5fb1f728511b24a894 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -164,8 +164,8 @@ int main(int argc, char* argv[]) {
   v8::V8::InitializeICU();
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
+
   v8::internal::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
-  v8::V8::Initialize();
 
   CcTestArrayBufferAllocator array_buffer_allocator;
   v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
@@ -182,6 +182,10 @@ int main(int argc, char* argv[]) {
   for (int i = 1; i < argc; i++) {
     char* arg = argv[i];
     if (strcmp(arg, "--list") == 0) {
+      // TODO(svenpanne) Serializer::enabled() and Serializer::code_address_map_
+      // are fundamentally broken, so we can't unconditionally initialize and
+      // dispose V8.
+      v8::V8::Initialize();
       PrintTestList(CcTest::last());
       print_run_count = false;