https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86991
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- So the reason in the end is failure to tear down a half-built reduction chain. I have a fix (finally).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86991
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- So the reason in the end is failure to tear down a half-built reduction chain. I have a fix (finally).