re PR bootstrap/54326 (GCC does not build with G++ version 3.4.0)

2012-08-20  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/54326
	* genoutput.c (note_constraint): Properly use CONST_CAST.

From-SVN: r190524

gcc/ChangeLog

+2012-08-20  Richard Guenther  <rguenther@suse.de>
+
+	PR bootstrap/54326
+	* genoutput.c (note_constraint): Properly use CONST_CAST.
+
 2012-08-19  Nick Clifton  <nickc@redhat.com>
 
 	PR target/54306

gcc/genoutput.c

@@ -1175,7 +1175,7 @@ note_constraint (rtx exp, int lineno)
 	}
     }
   new_cdata = XNEWVAR (struct constraint_data, sizeof (struct constraint_data) + namelen);
-  strcpy ((char *)new_cdata + offsetof(struct constraint_data, name), name);
+  strcpy (CONST_CAST(char *, new_cdata->name), name);
   new_cdata->namelen = namelen;
   new_cdata->lineno = lineno;
   new_cdata->next_this_letter = *slot;