Avoid gcc 4.4 plugin crash by using -O1 instead of -O2 for webkit glue.

webkit/webkit.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'feature_defines': [
       'ENABLE_CHANNEL_MESSAGING=1',
       'ENABLE_DATABASE=1',
       'ENABLE_DATAGRID=0',
@@ skipping 1467 matching lines @@
       ],
       # When glue is a dependency, it needs to be a hard dependency.
       # Dependents may rely on files generated by this target or one of its
       # own hard dependencies.
       'hard_dependency': 1,
       'export_dependent_settings': [
         'webcore',
       ],
       'conditions': [
         ['OS=="linux"', {
+          # Avoid gcc 4.4 plugin crash. See http://crbug.com/20045 for details.
+          'conditions': [
+            [ 'gcc_version=="44"', {
+              'cflags!': [
+                '-O2',
+              ],
+              'cflags': [
+                '-O1',
+              ],
+            }],
+          ],
           'dependencies': [
             '../build/linux/system.gyp:gtk',
             '../base/base.gyp:linux_versioninfo',
           ],
           'export_dependent_settings': [
             # Users of webcursor.h need the GTK include path.
             '../build/linux/system.gyp:gtk',
           ],
           'sources!': [
             'glue/plugins/plugin_stubs.cc',
@@ skipping 147 matching lines @@
         },
       ],
       'conditions': [
         ['OS=="win"', {
           'dependencies': ['../build/win/system.gyp:cygwin'],
         }],
       ],
     },
   ],
 }