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

src/regexp/mips/regexp-macro-assembler-mips.cc

Index: src/regexp/mips/regexp-macro-assembler-mips.cc
diff --git a/src/regexp/mips/regexp-macro-assembler-mips.cc b/src/regexp/mips/regexp-macro-assembler-mips.cc
index f1fc4e7dbd39222edc150b5424a0e2b3b633aa19..9c59328ed122668afe229f72f86854ffe855f66e 100644
--- a/src/regexp/mips/regexp-macro-assembler-mips.cc
+++ b/src/regexp/mips/regexp-macro-assembler-mips.cc
@@ -97,7 +97,8 @@ RegExpMacroAssemblerMIPS::RegExpMacroAssemblerMIPS(Isolate* isolate, Zone* zone,
                                                    Mode mode,
                                                    int registers_to_save)
     : NativeRegExpMacroAssembler(isolate, zone),
-      masm_(new MacroAssembler(isolate, NULL, kRegExpCodeSize)),
+      masm_(new MacroAssembler(isolate, NULL, kRegExpCodeSize,
+                               CodeObjectRequired::kYes)),
       mode_(mode),
       num_registers_(registers_to_save),
       num_saved_registers_(registers_to_save),