Initialize fast memmove methods in the Isolate's ctor

src/mips64/codegen-mips64.cc

Index: src/mips64/codegen-mips64.cc
diff --git a/src/mips64/codegen-mips64.cc b/src/mips64/codegen-mips64.cc
index 7df4c76e688665acb8318b351010e650456cb25c..4c9dfae01de48049c0b3cff0a7cc4a6448d7898a 100644
--- a/src/mips64/codegen-mips64.cc
+++ b/src/mips64/codegen-mips64.cc
@@ -71,7 +71,8 @@ UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) {
 
 
 #if defined(V8_HOST_ARCH_MIPS)
-MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
+MemCopyUint8Function CreateMemCopyUint8Function(Isolate* isolate,
+                                                MemCopyUint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
@@ -79,11 +80,11 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true));
-  if (buffer == NULL) return stub;
+  if (buffer == nullptr) return 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(isolate, buffer, static_cast<int>(actual_size),
                       CodeObjectRequired::kNo);
 
   {
@@ -598,7 +599,7 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
   masm.GetCode(&desc);
   DCHECK(!RelocInfo::RequiresRelocation(desc));
 
-  Assembler::FlushICacheWithoutIsolate(buffer, actual_size);
+  Assembler::FlushICache(isolate, buffer, actual_size);
   base::OS::ProtectCode(buffer, actual_size);
   return FUNCTION_CAST<MemCopyUint8Function>(buffer);
 #endif