gdb

gdb
	PR c++/8000:
	* dwarf2read.c (partial_die_parent_scope): Put enumeration type
	into parent scope, and enumerator into grandparent scope.
gdb/testsuite
	PR c++/8000:
	* gdb.cp/namespace.exp: Use new enum.  Fix line numbers in
	existing tests.
	* gdb.cp/namespace.cc (AAA::SomeEnum): New enum.
	(main): Use AAA::SomeEnum.