Fixes and enhancements...

build/internal/release_impl_checksenabled.scons

 # Copyright (c) 2006-2008 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.
 
 __doc__ = """
 Release settings for Chromium builds with checks enabled.
 """
 
 Import("env")
 
 env.ApplySConscript(['release_defaults.scons'])
 
 env.Append(
     CPPDEFINES = [
         '_DEBUG', '
         ('_HAS_ITERATOR_DEBUGGING', '0'),
         ('_SECURE_SCL', '0'),
     ],
 )
 
 if env.Bit('windows'):
+  env.Replace(
+      CHROMIUM_LINK_OPT_FLAGS = [
+          '/OPT:REF',           # VCLinkerTool.OptimizeReferences="2"
+          '/OPT:NOICF',         # VCLinkerTool.EnableCOMDATFolding="2"
+          '/OPT:NOWIN98',       # VCLinkerTool.OptimizeForWindows98="1"
+      ],
+  ),
   env.Append(
       CCFLAGS = [
           '/Oy-',
           '/MTd',               # VCCLCompilerTool.RuntimeLibrary="1"
       ],
       LINKFLAGS = [
           '/INCREMENTAL:NO',    # VCLinkerTool.LinkIncremental="1"
-          '/OPT:REF',           # VCLinkerTool.OptimizeReferences="2"
-          '/OPT:ICF',           # VCLinkerTool.EnableCOMDATFolding="2"
-          '/OPT:NOWIN98',       # VCLinkerTool.OptimizeForWindows98="1"
       ],
   )