Don't claim instruction was pushed when it wasn't. ml->v[piv] refers to the instruction "pck" that was added by the mat_add_var call.  That instruction is never added to the MAL plan.
Don't claim instruction was pushed when it wasn't.
ml->v[piv] refers to the instruction "pck" that was added by the
mat_add_var call.  That instruction is never added to the MAL plan.

This should fix bug 3732.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb