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

test/cctest/compiler/test-simplified-lowering.cc

Index: test/cctest/compiler/test-simplified-lowering.cc
diff --git a/test/cctest/compiler/test-simplified-lowering.cc b/test/cctest/compiler/test-simplified-lowering.cc
index 9d3b2ccefe3feb29db3d5681c88ad1db8f41de9a..d1bc803cbb7c3596f3e59ef70566778ddb1ff9be 100644
--- a/test/cctest/compiler/test-simplified-lowering.cc
+++ b/test/cctest/compiler/test-simplified-lowering.cc
@@ -710,7 +710,7 @@ class TestingGraph : public HandleAndZoneScope, public GraphAndBuilders {
     graph()->SetStart(start);
     ret =
         graph()->NewNode(common()->Return(), jsgraph.Constant(0), start, start);
-    end = graph()->NewNode(common()->End(), ret);
+    end = graph()->NewNode(common()->End(1), ret);
     graph()->SetEnd(end);
     p0 = graph()->NewNode(common()->Parameter(0), start);
     p1 = graph()->NewNode(common()->Parameter(1), start);