[turbofan] Add Int32AddWithOverflow machine operator.

src/compiler/machine-node-factory.h

Index: src/compiler/machine-node-factory.h
diff --git a/src/compiler/machine-node-factory.h b/src/compiler/machine-node-factory.h
index b0e153181feb8d143c2e6341b54dc6319c7c54f1..94d23f01b70826e2eb2fbd164acf751f85557a3b 100644
--- a/src/compiler/machine-node-factory.h
+++ b/src/compiler/machine-node-factory.h
@@ -195,6 +195,12 @@ class MachineNodeFactory {
   Node* Int32Add(Node* a, Node* b) {
     return NEW_NODE_2(MACHINE()->Int32Add(), a, b);
   }
+  void Int32AddWithOverflow(Node* a, Node* b, Node** val_return,
+                            Node** ovf_return) {
+    Node* add = NEW_NODE_2(MACHINE()->Int32AddWithOverflow(), a, b);
+    if (val_return) *val_return = NEW_NODE_1(COMMON()->Projection(0), add);
+    if (ovf_return) *ovf_return = NEW_NODE_1(COMMON()->Projection(1), add);
+  }
   Node* Int32Sub(Node* a, Node* b) {
     return NEW_NODE_2(MACHINE()->Int32Sub(), a, b);
   }