.
* gcov.c (struct arc_info): Replace local_span with cycle.
(struct block_info): Replace u.span with u.cycle. Add is_call_return.
(solve_flow_graph): Set is_call_return.
(add_line_counts): Adjust. In block mode, blocks attach to last line.
(accumulate_line_counts): Find graph cycles, not spanning tree.
(output_branch_count): Adjust.
(output_lines): Adjust.
* doc/gcov.texi: Update.
testsuite:
* gcc.misc-test/gcov-9.c: New test.
* gcc.misc-test/gcov-10.c: New test
* gcc.misc-test/gcov-11.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65299 138bc75d-0d04-0410-961f-82ee72b054a4