https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80661
Iain Sandoe <iains at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-apple-darwin*, | |x86_64-linux-gnu Status|UNCONFIRMED |NEW Last reconfirmed| |2018-12-23 CC| |iains at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Iain Sandoe <iains at gcc dot gnu.org> --- I see this on darwin and linux, not aware of any reason that certain starting letters are 'special' (my guess is that they are special to tcl).