https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82700
--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #1) > The ICE is caused by the EBCDIC-US character set in Fedora 25 apparently not > including the equivalent of the backslash character. Actually, I was off by one: the character the conversion fails for is '[' (the error is EILSEQ, Illegal byte sequence).