OP_PrevIfOpen    65285 ext/sqlite3/libsqlite/sqlite3.c       case OP_PrevIfOpen: {
OP_PrevIfOpen    75519 ext/sqlite3/libsqlite/sqlite3.c case OP_PrevIfOpen:    /* jump */
OP_PrevIfOpen    75537 ext/sqlite3/libsqlite/sqlite3.c   assert( pOp->opcode!=OP_PrevIfOpen || pOp->p4.xAdvance==sqlite3BtreePrevious);
OP_PrevIfOpen    75544 ext/sqlite3/libsqlite/sqlite3.c   assert( pOp->opcode!=OP_Prev || pOp->opcode!=OP_PrevIfOpen
OP_PrevIfOpen    119018 ext/sqlite3/libsqlite/sqlite3.c       pIn->eEndLoopOp = bRev ? OP_PrevIfOpen : OP_NextIfOpen;
OP_PrevIfOpen    123078 ext/sqlite3/libsqlite/sqlite3.c         VdbeCoverageIf(v, pIn->eEndLoopOp==OP_PrevIfOpen);