https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81776
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-08-14 CC| |rguenth at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- It's unclear what guarantees can be made here due to the pesky printf formatting callbacks in glibc (maybe I misremember). This is the reason we do not handle this family of builtins in tree-ssa-structalias.c. fnspec would be ".WR" for sprintf