https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87566
--- Comment #13 from Paul Thomas <pault at gcc dot gnu.org> --- (In reply to Neil Carlson from comment #12) > The commit r265171 that fixed this issue also introduced a regression in 8.2 > and 9, and certainly the 7 branch too if it was back-ported to it. See > PR89174 for the example, which had worked correctly for 7, 8, and 9, but > which now segfaults on at least 8 and 9. I suppose it's too late revert that > patch ... Hi Neil, As I said in comment #8, I decided that backporting was not going to work because there were too many antecedent patches. I just checked through the ChangeLog for 8-branch and there is no sign of anybody else attempting the fix. I'll take a look at 89174. Thanks Paul