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

src/mips/codegen-mips.cc

Index: src/mips/codegen-mips.cc
diff --git a/src/mips/codegen-mips.cc b/src/mips/codegen-mips.cc
index ee7639b4b3eda56640b6ce5428091d2b79e942a1..1f5eb321fd7c2af1aec33e0a9c26ad3fee7a11b0 100644
--- a/src/mips/codegen-mips.cc
+++ b/src/mips/codegen-mips.cc
@@ -32,7 +32,7 @@ UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) {
   if (buffer == nullptr) return nullptr;
   ExternalReference::InitializeMathExpData();
 
-  MacroAssembler masm(nullptr, buffer, static_cast<int>(actual_size));
+  MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size), false);
 
   {
     DoubleRegister input = f12;
@@ -82,7 +82,7 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
 
   // This code assumes that cache lines are 32 bytes and if the cache line is
   // larger it will not work correctly.
-  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
+  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false);
 
   {
     Label lastb, unaligned, aligned, chkw,
@@ -611,7 +611,7 @@ UnaryMathFunction CreateSqrtFunction() {
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == NULL) return &std::sqrt;
 
-  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
+  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false);
 
   __ MovFromFloatParameter(f12);
   __ sqrt_d(f0, f12);