* gcov.c (struct arc_info): Add is_throw field.
(struct (block_info): Add exceptional field, reduce flags size to
account for it.
(struct function_info): Add has_catch field.
(struct line_info): Add unexceptional field.
(process_file): Call find_exception_blocks if necessary.
(read_graph_file): Adjust. Note if an exceptional edge is seen.
(find_exception_blocks): New.
(add_line_counts): Set line's unexceptional flag if not
exceptional.
(output_branch_count): Note exceptional arcs, lines and blocks.
* gcov-dump.c (tag_arcs): Decode arc flags.
* doc/gcov.texi: Document '=====' lines.
testsuite/
* lib/gcov.exp (verify-lines): Allow = as a count char.
* g++.dg/gcov/gcov-13.C: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181949
138bc75d-0d04-0410-961f-
82ee72b054a4