Model exceptional edges from call nodes in TurboFan.

src/compiler/change-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/change-lowering.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/diamond.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
@@ skipping 184 matching lines @@
             ChangeSmiToInt32(value)));
 }
 
 
 namespace {
 
 bool CanCover(Node* value, IrOpcode::Value opcode) {
   if (value->opcode() != opcode) return false;
   bool first = true;
   for (Edge const edge : value->use_edges()) {
+    if (NodeProperties::IsControlEdge(edge)) continue;
     if (NodeProperties::IsEffectEdge(edge)) continue;
     DCHECK(NodeProperties::IsValueEdge(edge));
     if (!first) return false;
     first = false;
   }
   return true;
 }
 
 }  // namespace
 
@@ skipping 66 matching lines @@
 }
 
 
 MachineOperatorBuilder* ChangeLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8