Enable string pooling in the VS release build. This saves 46k for a...

Enable string pooling in the VS release build.  This saves 46k for a v8_shell_sample.exe, I didn't measure performance or the overall change to a Chromium build.  I think this option should always make sense anyway, unless we're using some string constants incorrectly.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@365 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

SConstruct

@@ -77,7 +77,7 @@ LIBRARY_FLAGS = {
       'LINKFLAGS':    ['/DEBUG']
     },
     'mode:release': {
-      'CCFLAGS':      ['/Ox', '/MT'],
+      'CCFLAGS':      ['/Ox', '/MT', '/GF'],
       'LINKFLAGS':    ['/OPT:REF', '/OPT:ICF']
     }
   }
@@ -202,7 +202,7 @@ SAMPLE_FLAGS = {
       'CPPDEFINES': ['USING_V8_SHARED']
     },
     'mode:release': {
-      'CCFLAGS':   ['/Ox', '/MT'],
+      'CCFLAGS':   ['/Ox', '/MT', '/GF'],
       'LINKFLAGS': ['/OPT:REF', '/OPT:ICF']
     },
     'mode:debug': {

tools/visual_studio/release.vsprops

@@ -12,6 +12,7 @@
 		EnableIntrinsicFunctions="true"
 		FavorSizeOrSpeed="0"
 		OmitFramePointers="true"
+		StringPooling="true"
 	/>
 	<Tool
 		Name="VCLinkerTool"