https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66563
--- Comment #53 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Kazumoto Kojima from comment #52) We are lucky:-) The test for backport of PR66780 patch for gcc-5 was done and we get a chance to commit it: https://gcc.gnu.org/ml/gcc-patches/2015-07/msg00819.html All known patches are applied to 5-branch and 5.2-release.