Add compilation flags for optimizing samples built in release...

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 59 matching lines @@
           '/NXCOMPAT', '/IGNORE:4221'],
       'ARFLAGS':      ['/NOLOGO'],
       'CCPDBFLAGS':   ['/Zi']
     },
     'mode:debug': {
       'CCFLAGS':      ['/Od', '/Gm', '/MTd'],
       'CPPDEFINES':   ['_DEBUG', 'ENABLE_DISASSEMBLER', 'DEBUG'],
       'LINKFLAGS':    ['/DEBUG']
     },
     'mode:release': {
-      'CCFLAGS':      ['/Ox', '/MT', '/Ob2', '/Oi', '/Oy'],
+      'CCFLAGS':      ['/Ox', '/MT'],
       'LINKFLAGS':    ['/OPT:REF', '/OPT:ICF']
     }
   }
 }
 
 
 V8_EXTRA_FLAGS = {
   'gcc': {
     'all': {
       'CXXFLAGS':     [], #['-fvisibility=hidden'],
@@ skipping 89 matching lines @@
   },
   'gcc': {
     'all': {
       'LIBS': ['pthread'],
       'LIBPATH': ['.']
     },
     'wordsize:64': {
       'CCFLAGS':      ['-m32'],
       'LINKFLAGS':    ['-m32']
     },
+    'mode:release': {
+      'CCFLAGS':      ['-O2']
+    },
     'mode:debug': {
       'CCFLAGS':      ['-g', '-O0']
     }
   },
   'msvc': {
     'all': {
       'CCFLAGS': ['/nologo'],
     },
     'library:shared': {
       'CPPDEFINES': ['USING_V8_SHARED']
     },
     'mode:release': {
-      'CCFLAGS': ['/MT'],
+      'CCFLAGS':   ['/Ox', '/MT'],
+      'LINKFLAGS': ['/OPT:REF', '/OPT:ICF']
     },
     'mode:debug': {
-      'CCFLAGS': ['/MTd']
+      'CCFLAGS':   ['/Od', '/MTd'],
+      'LINKFLAGS': ['/DEBUG']
     }
   }
 }
 
 
 SUFFIXES = {
   'release': '',
   'debug': '_g'
 }
 
@@ skipping 309 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()