Avoid a macro expanding to defined(...). This is not portable and newer compilers have -Wexpansion-to-defined to warn about it.
Avoid a macro expanding to defined(...). This is not portable and newer
compilers have -Wexpansion-to-defined to warn about it.

PiperOrigin-RevId: 196232507

google/riegeli,google/riegeli,google/riegeli,google/riegeli