PR tree-optimization/50682

	* tree-eh.c (maybe_remove_unreachable_handlers): New function.
	* tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.

	* g++.dg/opt/pr50682.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181785 138bc75d-0d04-0410-961f-82ee72b054a4