pythonesque(at)gmail(dot)com writes:
> As in description. This follows from how these are scanned in scan.l:
> ident = litbuf_udeescape('\\', yyscanner);
> if (yyextra->literallen >= NAMEDATALEN)
> truncate_identifier(ident, yyextra->literallen, true);
Yeah, that's a bug --- yyextra->literallen is not the thing to use here.
It's just luck that truncate_identifier doesn't fail entirely, since
we're violating its API contract. Will fix, thanks for reporting it.
regards, tom lane