[turbofan] Change End to take a variable number of inputs.

test/cctest/compiler/simplified-graph-builder.cc

Index: test/cctest/compiler/simplified-graph-builder.cc
diff --git a/test/cctest/compiler/simplified-graph-builder.cc b/test/cctest/compiler/simplified-graph-builder.cc
index 6afdc0a21181c6d9bc9f7d5935455d0a93a16d10..2847dc7a2789ef95f4a0ee1f2f08e4070025dd21 100644
--- a/test/cctest/compiler/simplified-graph-builder.cc
+++ b/test/cctest/compiler/simplified-graph-builder.cc
@@ -37,7 +37,7 @@ void SimplifiedGraphBuilder::Return(Node* value) {
 
 
 void SimplifiedGraphBuilder::End() {
-  Node* end = graph()->NewNode(common()->End(), return_);
+  Node* end = graph()->NewNode(common()->End(1), return_);
   graph()->SetEnd(end);
 }