[Bug gcov-profile/95480] GCOV change breaks AIX build

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95480

--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> ---
Demangling the function names in the assembly output

gcov_counter_add(long long*, long long, int)
...
        bl .__atomic_fetch_add_8


gcov_counter_set_if_null(long long*, gcov_kvp*, int)
...
        bl .__sync_val_compare_and_swap_8