Add a test case for what was formerly thought to be an unreachable condition:
when the LHS of an OR operator contains an error and the RHS contains an IN
operator.

FossilOrigin-Name: 3872742591add4e94033484c2844e7d7ab69674b
diff --git a/src/expr.c b/src/expr.c
index e6ac0f6..6a30755 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1691,7 +1691,7 @@
   ** ephemeral table.
   */
   p = (ExprHasProperty(pX, EP_xIsSelect) ? pX->x.pSelect : 0);
-  if( ALWAYS(pParse->nErr==0) && isCandidateForInOpt(p) ){
+  if( pParse->nErr==0 && isCandidateForInOpt(p) ){
     sqlite3 *db = pParse->db;              /* Database connection */
     Table *pTab;                           /* Table <table>. */
     Expr *pExpr;                           /* Expression <column> */