[Bug lto/114505] static archives built with gcc --without-zstd cause ICE when read by gcc with zstd support

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114505

--- Comment #6 from Sam James <sjames at gcc dot gnu.org> ---
I'm confident I've seen this happen before but I haven't got a quick testcase
(it should be easy to make one, but I don't have a gcc w/ zstd right this
second.)