re PR debug/39267 (gdb testsuite regressions)

re PR debug/39267 (gdb testsuite regressions)

	PR debug/39267
	* tree.h (TREE_PROTECTED): Fix comment.
	(BLOCK_HANDLER_BLOCK): Remove.
	(struct tree_block): Remove handler_block add body_block.
	(inlined_function_outer_scope_p): New.
	(is_body_block): Remove.
	* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
	* dwarf2out.c (is_inlined_entry_point): Remove.
	(add_high_low_attributes): Use inlined_function_outer_scope_p.
	(gen_block_die): Use is_inlined_entry_point check; remove body block code.
	* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
	* gimplify.c (gimplify_expr): Gimplify body blocks.
	* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper block
	with multiple subblocks.
	(dump_scope_block): Prettier output; dump more flags and info.
	(dump_scope_blocks): New.
	(remove_unused_locals): Use dump_scope_blocks.
	* tree-flow.h (dump_scope_blocks): Declare.
	* tree-cfg.c (execute_build_cfg): Dump scope blocks.
	* stmt.c (is_body_block): Remove.
	* tree-inline.c (remap_block): Copy BODY_BLOCK info.
	* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

From-SVN: r144474