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Fix a potential NULL pointer dereference following OOM. Problem discovered

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by dbsqlfuzz.  Test case in TH3.

FossilOrigin-Name: 5aeb5a2d295e10d5fc1d456b3acaf8ac13c04cb5bb71a8c4571541d366e95887
This commit is contained in:
drh
2020-02-19 15:39:46 +00:00
parent 4b9e736898
commit 1cfee74a28
3 changed files with 8 additions and 8 deletions
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2
src/resolve.c
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@@ -1051,7 +1051,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
assert( !ExprHasProperty(pExpr, EP_Reduced) );
/* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE",
** and "x IS NOT FALSE". */
if( pRight->op==TK_ID ){
if( pRight && pRight->op==TK_ID ){
int rc = resolveExprStep(pWalker, pRight);
if( rc==WRC_Abort ) return WRC_Abort;
if( pRight->op==TK_TRUEFALSE ){