[Bug other/72815] libmpx on i386

[vicencb at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72815

--- Comment #6 from vicencb at gmail dot com ---
Yes, the host (and build) system uses glibc, target system uses musl.
Thanks for the fix!
Should I test it or you already did?