[ic] Use StrictEqual/Equal builtins for CompareIC slow path.

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index a9a8ec387997aafca82da880b1914b7e3ddb08be..614ce93efc45d3b93d87a37b8c5e75fc0c2c005e 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -1106,9 +1106,11 @@ void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
   if (cc == equal) {
     {
       FrameScope scope(masm, StackFrame::INTERNAL);
-      __ Push(rdx);
-      __ Push(rax);
-      __ CallRuntime(strict() ? Runtime::kStrictEqual : Runtime::kEqual);
+      __ Push(rsi);
+      __ Call(strict() ? isolate()->builtins()->StrictEqual()
+                       : isolate()->builtins()->Equal(),
+              RelocInfo::CODE_TARGET);
+      __ Pop(rsi);
     }
     // Turn true into 0 and false into some non-zero value.
     STATIC_ASSERT(EQUAL == 0);