Remove ArrayPush from the custom call generators, and instead call directly to the handler in crank…

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 9b98d94f590813825f11eef02d379d5125096ca2..6f0c7ae53164821e0eeba0a2767a5956f9e057da 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -408,6 +408,20 @@ void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
     descriptor->register_params_ = registers;
     descriptor->param_representations_ = representations;
   }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(Isolate::CallHandler);
+    static Register registers[] = { rsi,  // context
+                                    rdx,  // receiver
+    };
+    static Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // receiver
+    };
+    descriptor->register_param_count_ = 2;
+    descriptor->register_params_ = registers;
+    descriptor->param_representations_ = representations;
+  }
 }