[Bug gcov-profile/97461] allocate_gcov_kvp() deadlocks in firefox LTO+PGO build (overridden malloc() recursion)

[slyfox at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97461

--- Comment #3 from Sergei Trofimovich <slyfox at gcc dot gnu.org> ---
Probably started from
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=871e5ada6d53d5eb ("Make TOPN
counter dynamically allocated.") when dynamic memory allocation call was added
to gcov_topn_add_value().