[turbofan] Add support for eager/soft deoptimization reasons.

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/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ skipping 1148 matching lines @@
     "src/debug/debug-evaluate.cc",
     "src/debug/debug-evaluate.h",
     "src/debug/debug-frames.cc",
     "src/debug/debug-frames.h",
     "src/debug/debug-scopes.cc",
     "src/debug/debug-scopes.h",
     "src/debug/debug.cc",
     "src/debug/debug.h",
     "src/debug/liveedit.cc",
     "src/debug/liveedit.h",
+    "src/deoptimize-reason.cc",
+    "src/deoptimize-reason.h",
     "src/deoptimizer.cc",
     "src/deoptimizer.h",
     "src/disasm.h",
     "src/disassembler.cc",
     "src/disassembler.h",
     "src/diy-fp.cc",
     "src/diy-fp.h",
     "src/double.h",
     "src/dtoa.cc",
     "src/dtoa.h",
@@ skipping 1252 matching lines @@
 
   deps = [
     ":fuzzer_support",
   ]
 
   configs = [ ":internal_config" ]
 }
 
 v8_fuzzer("wasm_asmjs_fuzzer") {
 }