* tree.h (IS_EXPR_CODE_CLASS): Also include 'r' and 's'.
        (EXPR_CHECK): Don't check for 'r' or 's' if we're
        checking IS_EXPR_CODE_CLASS.
        * calls.c (calls_function_1): Likewise.
        * fold-const.c (fold): Likewise.
        * tree.c (iterative_hash_expr): Likewise.
        * tree-inline.c (walk_tree, copy_tree_r): Likewise.

From-SVN: r70617