(flag_isoc9x): New variable to be able to use code in c-common.c.

For now always zero.

From-SVN: r31185

gcc/cp/decl.c

@@ -322,6 +322,10 @@ tree current_function_decl;
 
 tree current_function_return_value;
 
+/* Nonzero means use the ISO C9x dialect of C.  */
+
+int flag_isoc9x;
+
 /* Nonzero means give `double' the same size as `float'.  */
 
 extern int flag_short_double;
@@ -14535,4 +14539,3 @@ lang_mark_tree (t)
 	ggc_mark_tree ((tree) lt);
     }
 }
-