[turbofan] Add Int32AddWithOverflow machine operator.

src/compiler/instruction-selector.h

Index: src/compiler/instruction-selector.h
diff --git a/src/compiler/instruction-selector.h b/src/compiler/instruction-selector.h
index 8be6e954e995048090beeb40352087fb76ac009f..f502883d2188e99c06580b084df1b6e3c08c0a15 100644
--- a/src/compiler/instruction-selector.h
+++ b/src/compiler/instruction-selector.h
@@ -129,8 +129,9 @@ class InstructionSelector V8_FINAL {
   void VisitWord64Compare(Node* node, FlagsContinuation* cont);
   void VisitFloat64Compare(Node* node, FlagsContinuation* cont);
 
-  void VisitPhi(Node* node);
   void VisitParameter(Node* node);
+  void VisitPhi(Node* node);
+  void VisitProjection(Node* node);
   void VisitConstant(Node* node);
   void VisitCall(Node* call, BasicBlock* continuation,
                  BasicBlock* deoptimization);