* java-except.h (struct eh_range): Removed unused `next' member.

	* java-except.h (struct eh_range): Removed unused `next' member.
	* verify.c (verify_jvm_instructions): Call check_nested_ranges
	after adding all exception handlers.  Sort exception ranges in
	order of start PC.
	(struct pc_index): New structure.
	(start_pc_cmp): New function.
	* except.c (add_handler): Return `void'.  Don't call link_handler;
	instead construct an ordinary linked list and do range
	coalescing.
	(check_nested_ranges): New function.
	(link_handler): Changed interface to allow merging of eh_ranges.
	Split overlapping ranges.  Return `void'.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26995 138bc75d-0d04-0410-961f-82ee72b054a4