* c-common.h (check_case_value): Remove prototype.
        (c_add_case_label): Adjust prototype.
        * c-common.c (check_case_value): Make static.
        (check_case_bounds): New function.
        (c_add_case_label): Use it.  Take new argument orig_type.
        * c-typeck.c (struct c_switch): New orig_type field.
        (c_start_case): Set it.
        (do_case): Pass it to c_add_case_label.
        * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
        cases from here.  Add the labels in reverse order.
        * stmt.c (struct case_node): Adjust comment.  Remove balance field.
        (add_case_node): Return nothing, don't check for duplicate cases.
        Insert new case nodes in a list, not in an AVL tree.
        (expand_end_case_type): Don't turn a case tree into a case list.
        (case_tree2list): Remove.
        * tree.h (add_case_node): Adjust prototype.

cp/
        * cp-tree.h (struct lang_decl_flags): Unify the template_info and
        thunk_alias, and the access and virtual_offset fields.
        (THUNK_VIRTUAL_OFFSET, THUNK_ALIAS): Adjust.
        * decl.c (finish_case_label): Update c_add_case_node call.

testsuite/
	* testsuite/gcc.dg/switch-warn-1.c: New test.
	* testsuite/gcc.dg/switch-warn-2.c: New test.
        * gcc.c-torture/compile/pr14730.c: Update

From-SVN: r84947