https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61632
--- Comment #11 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Its not really a glitch. In this case reversion has occurred so i can only > approximate where in the string the error occured. I can improve on it with: > > offset = fmt->reversion_ok ? fmt->format_string_len + 2: > dtp->format_len - fmt->format_string_len; > > I don't think I can do better for now. Of course we want diagnostics to be > helpful, but they can not be perfect. I would suggest we commit the patch > for now. What about the following? if (f != NULL) - fmt->format_string = f->source; + fmt->format_string_len = strrchr (f->source, ')') - &f->source[0] + 1; It is clumsy, but it does the trick. If accepted, I can write a test case for it.
