Snippets for clpeak 2.1.4 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/clpeak/2.1.4/1.fc46/data/logs/s390x/build.log.

• /builddir/build/BUILD/clpeak-2.1.4-build/clpeak-2.1.4/src/cpu/microarch.cpp:97:21: warning: variable ‘sink’ set but not used [-Wunused-but-set-variable=]
     97 |   volatile uint64_t sink = 0;
        |                     ^~~~