Encode CEntryStub properties in the minor key.

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index 8b54ff58f9ad6b1c10db1ee4a94e8dec5089a1fa..082905a69edb31ca34c6d8dc1461018ac71ef9b0 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -252,16 +252,4 @@ void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   }
 }
 
-
-int CEntryStub::MinorKey() const {
-  int result = (save_doubles_ == kSaveFPRegs) ? 1 : 0;
-  DCHECK(result_size_ == 1 || result_size_ == 2);
-#ifdef _WIN64
-  return result | ((result_size_ == 1) ? 0 : 2);
-#else
-  return result;
-#endif
-}
-
-
 } }  // namespace v8::internal