Make whether or not a Code object should be created by masm explicit

test/cctest/test-hashing.cc

Index: test/cctest/test-hashing.cc
diff --git a/test/cctest/test-hashing.cc b/test/cctest/test-hashing.cc
index d6f10068157b2ea3bc616f5aadf7caf4ce03d93e..52dbc4b950403ab7bc9757d38425c596fbff463d 100644
--- a/test/cctest/test-hashing.cc
+++ b/test/cctest/test-hashing.cc
@@ -113,7 +113,7 @@ void check(uint32_t key) {
   HandleScope scope(isolate);
 
   v8::internal::byte buffer[2048];
-  MacroAssembler masm(CcTest::i_isolate(), buffer, sizeof buffer);
+  MacroAssembler masm(CcTest::i_isolate(), buffer, sizeof(buffer), true);
 
   generate(&masm, key);