[Bug lto/66687] WPA link fau: internal compiler error: bytecode stream: found non-null terminated string

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66687

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Are you sure you produced all LTO bytecode with exactly the same compiler?
Reminds me to bump the LTO bytecode version again on trunk (it's still the same
as that on the GCC 5 branch...)