Revert of Fast-fail to catch VC++ compiler crashes

build/config/win/BUILD.gn

 # Copyright (c) 2013 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/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/win/visual_studio_version.gni")
 
 assert(is_win)
 
@@ skipping 18 matching lines @@
       # line, only /safeseh. This is only accepted by ml.exe, not ml64.exe.
       "/safeseh",
     ]
   }
 
   cflags = [
     "/Gy",  # Enable function-level linking.
     "/GS",  # Enable buffer security checking.
     "/FS",  # Preserve previous PDB behavior.
     "/bigobj",  # Some of our files are bigger than the regular limits.
-
-    # Tell the compiler to crash on failures. This is undocumented
-    # and unsupported but very handy.
-    "/d2FastFail",
   ]
 
   # Force C/C++ mode for the given GN detected file type. This is necessary
   # for precompiled headers where the same source file is compiled in both
   # modes.
   cflags_c = [ "/TC" ]
   cflags_cc = [ "/TP" ]
 
   if (visual_studio_version == "2015") {
     cflags += [
@@ skipping 325 matching lines @@
 
 # Internal stuff --------------------------------------------------------------
 
 # Config used by the MIDL template to disable warnings.
 config("midl_warnings") {
   if (is_clang) {
     # MIDL generates code like "#endif !_MIDL_USE_GUIDDEF_".
     cflags = [ "-Wno-extra-tokens" ]
   }
 }