[runtime] Move binary operator fallbacks into the runtime.

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index 6e081ccaacd8f115ed3a7c697771eb25c4251158..f3f2a8ed792098470298dba0ecbf9d9473f777c1 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -485,9 +485,12 @@ class RawMachineAssembler {
   // Call through CallFunctionStub with lazy deopt and frame-state.
   Node* CallFunctionStub0(Node* function, Node* receiver, Node* context,
                           Node* frame_state, CallFunctionFlags flags);
-  // Call to a runtime function with zero arguments.
+  // Call to a runtime function with one arguments.
   Node* CallRuntime1(Runtime::FunctionId function, Node* arg0, Node* context,
                      Node* frame_state);
+  // Call to a runtime function with two arguments.
+  Node* CallRuntime2(Runtime::FunctionId function, Node* arg1, Node* arg2,
+                     Node* context, Node* frame_state);
   // Call to a C function with zero arguments.
   Node* CallCFunction0(MachineType return_type, Node* function);
   // Call to a C function with one parameter.