re PR debug/39267 (gdb testsuite regressions)

re PR debug/39267 (gdb testsuite regressions)

	PR debug/39267
	* tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
	BLOCK_NONLOCALIZED_VAR): New macros.
	(tree_block): Add nonlocalized_vars.
	* dwarf2out.c (gen_formal_parameter_die, gen_variable_die, gen_decl_die): Add
	origin argument; allow generation of die with origin at hand only.
	(gen_member_die, gen_type_die_with_usage, force_decl_die,
	declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use of gen_*.
	(gen_block_die): Fix checking for unused blocks.
	(process_scope_var): Break out from .... ; work with origins only.
	(decls_for_scope) ... here; process nonlocalized list.
	(dwarf2out_ignore_block): Look for nonlocalized vars.
	* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized vars.
	(dump_scope_block): Dump them.
	* tree-inline.c (remap_decls): Handle nonlocalized vars.
	(remap_block): Likewise.
	(can_be_nonlocal): New predicate.
	(copy_bind_expr, copy_gimple_bind): Update use of remap_block.

From-SVN: r144529