https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116208
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note the fix for the warning should be: range_operator *m_range_tree[RANGE_OP_TABLE_SIZE]{}; in range-op.h. That is value initialize m_range_tree which was not done before hand.