gcc/ChangeLog:

	PR gcov-profile/98739
	* common.opt: Add missing sign symbol.
	* value-prof.c (get_nth_most_common_value): Restore handling
	of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
	PROFILE_REPRODUCIBILITY_MULTITHREADED.

libgcc/ChangeLog:

	PR gcov-profile/98739
	* libgcov-merge.c (__gcov_merge_topn): Mark when merging
	ends with a dropped counter.
	* libgcov.h (gcov_topn_add_value): Add return value.