Merge V8 at 3.7.12.28

Bug: 5688872

Change-Id: Iddb40cae44d51a2b449f2858951e0472771f5981
diff --git a/src/codegen.cc b/src/codegen.cc
index cdc9ba1..ceea7b9 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -218,8 +218,8 @@
 
 
 int CEntryStub::MinorKey() {
+  int result = (save_doubles_ == kSaveFPRegs) ? 1 : 0;
   ASSERT(result_size_ == 1 || result_size_ == 2);
-  int result = save_doubles_ ? 1 : 0;
 #ifdef _WIN64
   return result | ((result_size_ == 1) ? 0 : 2);
 #else