Pass Isolate through CompilingCallsToThisStubIsGCSafe calls

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 9f1e13bc9b8ffe161f95f9542235039334f008cd..42c2024517c507561be3d23aeb52f1df5a19c2c8 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -551,7 +551,8 @@ void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) {
 
 
 void MacroAssembler::TailCallStub(CodeStub* stub) {
-  ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe());
+  ASSERT(allow_stub_calls_ ||
+         stub->CompilingCallsToThisStubIsGCSafe(isolate()));
   Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET);
 }
 
@@ -564,7 +565,7 @@ void MacroAssembler::StubReturn(int argc) {
 
 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) {
   if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false;
-  return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe();
+  return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(isolate());
 }