https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122126
--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Also, why the idx var when there is tree idx = TREE_OPERAND (ref, 1); (or for 13 tree idx = TREE_OPERAND (lhs, 1);) a few lines earlier?
