[Bug other/37080] vasprintf in libiberty fails for %llu on solaris

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37080

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
See r5-5735-g01ca36af914385 and r14-8937-g53bb7145135c0c which may fix it.