re PR c/38938 (-Wno-all doesn't work on -Wpointer-sign)

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/38938
	* c-opts.c (c_common_handle_option): Upate warn_pointer_sign
	properly.

From-SVN: r143648

gcc/ChangeLog

+2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR c/38938
+	* c-opts.c (c_common_handle_option): Upate warn_pointer_sign
+	properly.
+
 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR tree-optimization/38953

gcc/c-opts.c

 /* C/ObjC/C++ command line option handling.
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
    Contributed by Neil Booth.
 
@@ -423,7 +423,7 @@ c_common_handle_option (size_t scode, const char *arg, int value)
       cpp_opts->warn_num_sign_change = value;
 
       if (warn_pointer_sign == -1)
-	warn_pointer_sign = 1;
+	warn_pointer_sign = value;
       break;
 
     case OPT_Wbuiltin_macro_redefined: