libgcov: report about a different timestamp (PR gcov-profile/85759).
2018-05-29 Martin Liska <mliska@suse.cz>
PR gcov-profile/85759
* doc/gcov.texi: Document GCOV_ERROR_FILE and GCOV_EXIT_AT_ERROR
env variables.
2018-05-29 Martin Liska <mliska@suse.cz>
PR gcov-profile/85759
* libgcov-driver-system.c (gcov_error): Introduce usage of
GCOV_EXIT_AT_ERROR env. variable.
* libgcov-driver.c (merge_one_data): Print error that we
overwrite a gcov file with a different timestamp.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260895 138bc75d-0d04-0410-961f-82ee72b054a4