https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51772
ASSI <Stromeko at nexgo dot de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Stromeko at nexgo dot de --- Comment #5 from ASSI <Stromeko at nexgo dot de> --- Related bugs on Cygwin (and other newlib platforms): https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115524 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104587 Building gcc using '--with-clocale=newlib' for Cygwin (and presumably other newlib platforms) fixes it, but the configury should recognize this need automatically.