commit ffe280596e90dcde7f319f66109aab779f0300ef
author drh <drh@noemail.net> Sat May 06 18:09:36 2017 +0000
committer drh <drh@noemail.net> Sat May 06 18:09:36 2017 +0000
tree 21eab6cc3309a0cfa3aa9ef61030627207cfd185
parent f8a2e8c2d29d1e3953511425cd81653be647d54f

Fix an obscure assertion fault that can follow an OOM.   The problem
was introduced by check-in [a1cf44763277b6c7].

FossilOrigin-Name: 04e7e5650efffdce759b46999beb67c250af6cf394a7779ab861f210a84c134d

src/expr.c

diff --git a/src/expr.c b/src/expr.c
index a79b0b7..b5d4ed1 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1550,7 +1550,7 @@
     }
   }
 
-  if( pExpr->op==TK_SELECT && pList ){
+  if( !db->mallocFailed && pExpr->op==TK_SELECT && ALWAYS(pList!=0) ){
     Expr *pFirst = pList->a[iFirst].pExpr;
     assert( pFirst!=0 );
     assert( pFirst->op==TK_SELECT_COLUMN );