Jim Meyering asks: > I presume that by reporting this, you think gcc-4.8.5 is still worth > supporting?
Sure. This version of GCC is the default one on RHEL 7.4 / PowerPC, which is a mainstream Linux distro that is less than 1 year old. [1] In gnulib we support GCC versions down to 3.1. They are all working reasonably well. Bruno [1] https://en.wikipedia.org/wiki/Red_Hat_Enterprise_Linux#RHEL_7
