SERVER-109 fix mem ownership when popping or clauses, real doc lookup when required

1 files changed, 1 insertions, 0 deletions

diff --git a/db/queryutil.h b/db/queryutil.h
index 6e6be8a86b4..9e60ccd3149 100644
--- a/db/queryutil.h
+++ b/db/queryutil.h
@@ -244,6 +244,7 @@ namespace mongo {
 //        }
         bool orFinished() const { return _orFound && _orSets.empty(); }
         // removes first or clause, and removes the field ranges it covers from all subsequent or clauses
+        // this could invalidate the result of the last topFrs()
         void popOrClause() {
             massert( 13274, "no or clause to pop", !orFinished() );
 //            const FieldRangeSet &toPop = _orSets.front();