Collect type feedback on result of Math.[round|ceil|floor]

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 07e237e0b498906361f9103c19990dee78ff4dc7..52cc3fdd4ebd379a3dda8080e155e216841286f0 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -1689,6 +1689,15 @@ void MacroAssembler::GetBuiltinEntry(Register target,
 }
 
 
+void MacroAssembler::BranchIfNotBuiltin(Register function, Register temp,
+                                        BuiltinFunctionId id, Label* miss) {
+  Ldr(temp, FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
+  Ldr(temp, FieldMemOperand(temp, SharedFunctionInfo::kFunctionDataOffset));
+  Cmp(temp, Operand(Smi::FromInt(id)));
+  B(ne, miss);
+}
+
+
 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id,
                                    InvokeFlag flag,
                                    const CallWrapper& call_wrapper) {