https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48544
--- Comment #1 from Alexandre Duret-Lutz <adl at gnu dot org> --- This works OK with 4.8 and 5.1, so not an issue anymore as far as I'm concerned. (Might be related to #48968 which is reported as "half-fixed" -- I haven't tried.)
