From https://trac.cppcheck.net/ticket/13690: `#error\` + LF (`0xa`) triggers an error message with an embedded newline, causing an assert failure. https://github.com/danmar/simplecpp/blob/5cd15b3eaf7389347b018131e8f6e2bf45590b7b/simplecpp.cpp#L3430
From https://trac.cppcheck.net/ticket/13690:
#error\+ LF (0xa) triggers an error message with an embedded newline, causing an assert failure.https://github.com/danmar/simplecpp/blob/5cd15b3eaf7389347b018131e8f6e2bf45590b7b/simplecpp.cpp#L3430