[Bug target/123457] ICE when using arm_acle.h, arm_sve.h and other such headers with pch

[rdfm at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123457

--- Comment #9 from Claudio Bantaloukas <rdfm at gcc dot gnu.org> ---
Hi Andrew, beat me to it, I'll post some tests for this.