[turbofan] Initial support for escape analysis.

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 if (is_android) {
@@ skipping 742 matching lines @@
     "src/compiler/common-operator.h",
     "src/compiler/control-builders.cc",
     "src/compiler/control-builders.h",
     "src/compiler/control-equivalence.cc",
     "src/compiler/control-equivalence.h",
     "src/compiler/control-flow-optimizer.cc",
     "src/compiler/control-flow-optimizer.h",
     "src/compiler/dead-code-elimination.cc",
     "src/compiler/dead-code-elimination.h",
     "src/compiler/diamond.h",
+    "src/compiler/escape-analysis.cc",
+    "src/compiler/escape-analysis.h",
+    "src/compiler/escape-analysis-reducer.cc",
+    "src/compiler/escape-analysis-reducer.h",
     "src/compiler/frame.cc",
     "src/compiler/frame.h",
     "src/compiler/frame-elider.cc",
     "src/compiler/frame-elider.h",
     "src/compiler/frame-states.cc",
     "src/compiler/frame-states.h",
     "src/compiler/gap-resolver.cc",
     "src/compiler/gap-resolver.h",
     "src/compiler/graph-reducer.cc",
     "src/compiler/graph-reducer.h",
@@ skipping 1099 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }