go-lang.c (go_langhook_init_options_struct): Set frontend_set_flag_errno_math.

	* go-lang.c (go_langhook_init_options_struct): Set
	frontend_set_flag_errno_math.  Don't set x_flag_trapping_math.

From-SVN: r169931

gcc/go/ChangeLog

+2011-02-08  Ian Lance Taylor  <iant@google.com>
+
+	* go-lang.c (go_langhook_init_options_struct): Set
+	frontend_set_flag_errno_math.  Don't set x_flag_trapping_math.
+
 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gospec.c (lang_specific_driver) [HAVE_LD_STATIC_DYNAMIC] Use

gcc/go/go-lang.c

@@ -149,9 +149,7 @@ go_langhook_init_options_struct (struct gcc_options *opts)
 
   /* The builtin math functions should not set errno.  */
   opts->x_flag_errno_math = 0;
-
-  /* By default assume that floating point math does not trap.  */
-  opts->x_flag_trapping_math = 0;
+  opts->frontend_set_flag_errno_math = true;
 
   /* We turn on stack splitting if we can.  */
   if (targetm.supports_split_stack (false, opts))