[Bug bootstrap/101776] [12 Regression] Boootstrap broken on s390x

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101776

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Caused by having lt_prog_compiler_wl= being an empty string. Strange..