A64: Synchronize with r16489.

src/a64/lithium-codegen-a64.cc

Index: src/a64/lithium-codegen-a64.cc
diff --git a/src/a64/lithium-codegen-a64.cc b/src/a64/lithium-codegen-a64.cc
index 109c5fb1a7837362f1144d793d5f286bfe7f45ef..7a0547bf08671dd5697d41b09273cbe9b471dec2 100644
--- a/src/a64/lithium-codegen-a64.cc
+++ b/src/a64/lithium-codegen-a64.cc
@@ -2436,18 +2436,18 @@ void LCodeGen::DoContext(LContext* instr) {
 }
 
 
-void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
+void LCodeGen::DoCheckValue(LCheckValue* instr) {
   Register reg = ToRegister(instr->value());
-  Handle<JSFunction> target = instr->hydrogen()->target();
+  Handle<HeapObject> object = instr->hydrogen()->object();
   AllowDeferredHandleDereference smi_check;
-  if (isolate()->heap()->InNewSpace(*target)) {
+  if (isolate()->heap()->InNewSpace(*object)) {
     Register temp = ToRegister(instr->temp());
-    Handle<Cell> cell = isolate()->factory()->NewCell(target);
+    Handle<Cell> cell = isolate()->factory()->NewCell(object);
     __ Mov(temp, Operand(Handle<Object>(cell)));
     __ Ldr(temp, FieldMemOperand(temp, Cell::kValueOffset));
     __ Cmp(reg, temp);
   } else {
-    __ Cmp(reg, Operand(target));
+    __ Cmp(reg, Operand(object));
   }
   DeoptimizeIf(ne, instr->environment());
 }
@@ -4689,8 +4689,9 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
 
     PredictableCodeSizeScope predictable(masm_,
                                          Assembler::kCallSizeWithRelocation);
-    StackCheckStub stub;
-    CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);
+    CallCode(isolate()->builtins()->StackCheck(),
+             RelocInfo::CODE_TARGET,
+             instr);
     EnsureSpaceForLazyDeopt();
     last_lazy_deopt_pc_ = masm()->pc_offset();