[Bug bootstrap/87134] [9 regression] SEGV in cc1 caused by r263875

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87134

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
So I've applied a patch that might fix the originally reported segfault.