[Bug target/78460] [7/8 Regression] [SH] OOM building glibc string tst-cmp.c

[fw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78460

--- Comment #3 from Florian Weimer <fw at gcc dot gnu.org> ---
I see ~500 GiB with GCC 7.0.1 20170501 (prerelease) [gcc-7-branch revision
247430].  This interferes rather badly with cross-compiler-based testing.