Fix ChangeLog entry:

Fix ChangeLog entry:

	PR debug/27574
	* cgraph.h: New abstract_and_needed member to struct cgraph_node.
	* cgraphunit.c (cgraph_analyze_functions): Flag abstract functions
	- which clones are reachable - as "abstract and needed".
	* cgraph.c (cgraph_release_function_body):  If a node is
	"abstract and needed", do not release its DECL_INITIAL() content
	that will be needed to emit debug info.

From-SVN: r141819