[turbofan] escape analysis bugfixes that got reverted with https://codereview.chromium.org/26809730…

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 16a4c3a20f288c9f399a6820cae9fedd5503ac56..330b0960ec20ec6563867a66d8a5db069cc67fcb 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -949,7 +949,7 @@ struct EscapeAnalysisPhase {
   void Run(PipelineData* data, Zone* temp_zone) {
     EscapeAnalysis escape_analysis(data->graph(), data->jsgraph()->common(),
                                    temp_zone);
-    escape_analysis.Run();
+    if (!escape_analysis.Run()) return;
     JSGraphReducer graph_reducer(data->jsgraph(), temp_zone);
     EscapeAnalysisReducer escape_reducer(&graph_reducer, data->jsgraph(),
                                          &escape_analysis, temp_zone);