[Bug bootstrap/87417] [9 regression] Internal error: abort in attr_alt_intersection, at genattrtab.c:2357

[iii at linux dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87417

--- Comment #1 from Ilya Leoshkevich <iii at linux dot ibm.com> ---
Ouch!  Somehow s2 got corrupted (the 2nd value can be either 0 or 1).  I'm
looking at this now.