MIPS: Enable serialization for MIPS architecture.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index f6009049b857041222db95a199068d204eeff2a1..5f52455488e337fba2689318129780dc2713ac6c 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2034,7 +2034,7 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
   // We use Factory::the_hole_value() on purpose instead of loading from the
   // root array to force relocation to be able to later patch
   // with true or false.
-  __ li(result, Operand(factory()->the_hole_value()), true);
+  __ li(result, Operand(factory()->the_hole_value()), CONSTANT_SIZE);
   __ Branch(&done);
 
   // The inlined call site cache did not match. Check null and string before
@@ -2089,7 +2089,7 @@ void LCodeGen::DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
   __ bind(&before_push_delta);
   {
     Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
-    __ li(temp, Operand(delta * kPointerSize), true);
+    __ li(temp, Operand(delta * kPointerSize), CONSTANT_SIZE);
     __ StoreToSafepointRegisterSlot(temp, temp);
   }
   CallCodeGeneric(stub.GetCode(),