[turbofan] First version of loop peeling.

src/compiler/common-operator.h

Index: src/compiler/common-operator.h
diff --git a/src/compiler/common-operator.h b/src/compiler/common-operator.h
index 2505aff8c0ca1ef7d8177af19a7ccaa24f14cb4c..9dfb0c02d77a7ee4bf87c4b1fc9c19be33938386 100644
--- a/src/compiler/common-operator.h
+++ b/src/compiler/common-operator.h
@@ -56,6 +56,8 @@ std::ostream& operator<<(std::ostream&, SelectParameters const& p);
 
 SelectParameters const& SelectParametersOf(const Operator* const);
 
+const Operator* ResizeMergeOperator(const Operator* const);
+
 
 // Flag that describes how to combine the current environment with
 // the output of a node to obtain a framestate for lazy bailout.
@@ -198,6 +200,8 @@ class CommonOperatorBuilder FINAL : public ZoneObject {
   const Operator* Call(const CallDescriptor* descriptor);
   const Operator* Projection(size_t index);
 
+  const Operator* ResizeMergeOrPhi(const Operator* op, int size);
+
  private:
   Zone* zone() const { return zone_; }