Test auto/LB-GWW+R-Dd

LISA auto/LB-GWW+R-Dd
(*
 * Result: Maybe
 * P0 GWW: Never->Maybe: Should rel-acq provide any global transitivity?
 *)
{
 0:r3=v0; x1=y1;
}
 P0               | P1             | P2            ;
 w[once] u0 3     | r[deref] r1 x1 | r[once] r1 v0 ;
 w[release] x1 r3 | w[once] r1 1   | f[mb]         ;
                  |                | r[once] r2 u0 ;
Observed
    2:r2=0; 2:r1=1; 1:r1=v0;