https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70457
--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> --- The tree-inline part only shows up after fixing the part in tree-ssa-math-opts.c, where the initial failure occurs. The DECL is already encoded as a BUILT_IN_POW by the time we get that far.
