* libgcov-driver.c (get_gcov_dump_complete): Update comments.

	* libgcov-driver.c (get_gcov_dump_complete): Update comments.
	(all_prg, crc32): Remove static vars.
	(gcov_exit_compute_summary): Rewrite to return crc32; do not clear
	all_prg.
	(gcov_exit_merge_gcda): Add crc32 parameter.
	(gcov_exit_merge_summary): Add crc32 and all_prg parameter;
	do not account run if it was already accounted.
	(gcov_exit_dump_gcov): Add crc32 and all_prg parameters.
	(gcov_exit): Initialize all_prg; update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204983 138bc75d-0d04-0410-961f-82ee72b054a4