re PR debug/45682 (missing namespace parent die when using -gdwarf-4)

re PR debug/45682 (missing namespace parent die when using -gdwarf-4)

2012-01-19   Cary Coutant  <ccoutant@google.com>
	     Dodji Seketeli  <dodji@redhat.com>

gcc/

	PR debug/45682
	* dwarf2out.c (copy_declaration_context): Return ref to parent
	of declaration DIE, if necessary.
	(remove_child_or_replace_with_skeleton): Add new parameter; update
	caller.  Place skeleton DIE under parent DIE of original declaration.
	Move call to copy_declaration_context to here ...
	(break_out_comdat_types): ... from here.

gcc/testsuite/

	PR debug/45682
	* g++.dg/debug/dwarf2/nested-3.C: New test.

Co-Authored-By: Dodji Seketeli <dodji@redhat.com>
From-SVN: r183348