Fix 3 places where we were doing retry after GC without using the macros that...

src/builtins.cc

Index: src/builtins.cc
===================================================================
--- src/builtins.cc	(revision 647)
+++ src/builtins.cc	(working copy)
@@ -642,13 +642,12 @@
       CodeDesc desc;
       masm.GetCode(&desc);
       Code::Flags flags =  functions[i].flags;
-      Object* code = Heap::CreateCode(desc, NULL, flags);
-      if (code->IsFailure()) {
-        if (code->IsRetryAfterGC()) {
-          CHECK(Heap::CollectGarbage(Failure::cast(code)->requested(),
-                                     Failure::cast(code)->allocation_space()));
-          code = Heap::CreateCode(desc, NULL, flags);
-        }
+      Object* code;
+      {
+        // During startup it's OK to always allocate and defer GC to later.
+        // This simplifies things because we don't need to retry.
+        AlwaysAllocateScope __scope__;
+        code = Heap::CreateCode(desc, NULL, flags);
         if (code->IsFailure()) {
           v8::internal::V8::FatalProcessOutOfMemory("CreateCode");
         }