Reland ArrayPop / ArrayPush.

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 a2ddd4c706abaaef6b87c4a1ab5f546b586a04ea..b8ef7deee4ec31a60cd6eb84bcbde3c46363d4aa 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -418,6 +418,20 @@ 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;
+  }
 }