Change stack alignment on linux to 16 bytes to keep gcc 4.4 happy....

SConstruct

 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 
 
 # ANDROID_TOP is the top of the Android checkout, fetched from the environment
 # variable 'TOP'.   You will also need to set the CXX, CC, AR and RANLIB
 # environment variables to the cross-compiling tools.
 ANDROID_TOP = os.environ.get('TOP')
 if ANDROID_TOP is None:
   ANDROID_TOP=""
 
 # TODO: Sort these issues out properly but as a temporary solution for gcc 4.4
-# on linux we need these compiler flags to avoid a mksnapshot segfault, avoid
-# crashes in the v8 test suite and avoid dtoa.c strict aliasing issues
+# on linux we need these compiler flags to avoid crashes in the v8 test suite
+# and avoid dtoa.c strict aliasing issues
 if os.environ.get('GCC_VERSION') == '44':
-    GCC_EXTRA_CCFLAGS = ['-fno-tree-vectorize', '-fno-tree-vrp']
+    GCC_EXTRA_CCFLAGS = ['-fno-tree-vrp']
     GCC_DTOA_EXTRA_CCFLAGS = ['-fno-strict-aliasing']
 else:
     GCC_EXTRA_CCFLAGS = []
     GCC_DTOA_EXTRA_CCFLAGS = []
 
 ANDROID_FLAGS = ['-march=armv5te',
                  '-mtune=xscale',
                  '-msoft-float',
                  '-fpic',
                  '-mthumb-interwork',
@@ skipping 862 matching lines @@
 # version of scons.  Also, there's a bug in some revisions that
 # doesn't allow this flag to be set, so we swallow any exceptions.
 # Lovely.
 try:
   SetOption('warn', 'no-deprecated')
 except:
   pass
 
 
 Build()