re PR lto/69133 (LTO segfault in lto_get_decl_name_mapping() on 483.xalancbmk with -flto-partition=none)


	PR lto/69133
	* cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
	assume that the node has body.
	* cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
	check.
	* g++.dg/lto/pr69133_0.C: New testcase.
	* g++.dg/lto/pr69133_1.C: New testcase.

From-SVN: r232552