https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68607
Casey Carter <Casey at Carter dot net> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Casey at Carter dot net --- Comment #1 from Casey Carter <Casey at Carter dot net> --- 4.9.2 and 6 compile this program correctly; 5.1 and 5.2 don't. This is a regression in the version 5 series.