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* cfgcleanup.c (try_simplify_condjump): Don't remove line notes to avoid unreachable code warnings. * toplev.c (backend_init): Don't emit line notes for unreachable code warnings. * combine.c (distribute_notes): Don't distribute a REG_VTABLE_REF note. * final.c (final_scan_insn): Don't handle it. * rtl.c (reg_note_name): Remove it. * rtl.h (enum reg_node): Dito. * emit-rtl.c (force_line_numbers, restore_line_number_status): Remove. * rtl.h (force_line_numbers, restore_line_number_status): Remove prototypes. * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move... * tree-eh.c (using_eh_for_cleanups_p): ...here. Make static. (using_eh_for_cleanups): Also moved here. * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one. <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY. Update calls to expand_start_case and add_case_node. * stmt.c (struct nesting): Cleanup unused fields condition_code, last_unconditional_cleanup, nominal_type, printname, and line_number_status. (struct fixup_goto): Remove. (struct stmt_status): Remove x_goto_fixup_chain field. (goto_fixup_chain): Remove. (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable, pushcase, pushcase_range): Remove. (expand_start_bindings_and_block): Don't set unused fields in the nesting stack. (expand_start_case, add_case_node): Cleanup unused formal arguments. (expand_end_case_type): Don't simplify the case-list. Use emit_jump instead of emit_jump_if_reachable. (emit_case_nodes): Likewise. * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer static. (update_eh_label): Work around left-over exception handing regions. * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos. * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function. (pass_cleanup_cfg_post_optimizing): New pass. (init_tree_optimization_passes): Run the new pass after all optimizations. * tree.h (pushcase, pushcase_range): Remove prototypes. (expand_start_case, add_case_node): Update prototypes. cp/ * cp-tree.h (struct lang_type): Don't have three GTY options on a single bit GTY desc. java/ * parse.y (java_complete_expand_methods, java_expand_classes): Don't abuse restore_line_number_status. From-SVN: r84849
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