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--- src/other/stepcode/src/exp2cxx/complexSupport.h.orig 2020-03-12 15:32:37 UTC
+++ src/other/stepcode/src/exp2cxx/complexSupport.h
@@ -162,19 +162,19 @@ class EntList {
// but all we need.
EntList * firstNot( JoinType );
EntList * nextNot( JoinType j ) {
- return next->firstNot( j );
+ return next == NULL ? NULL : next->firstNot( j );
}
EntList * firstWanted( MatchType );
EntList * nextWanted( MatchType mat ) {
- return next->firstWanted( mat );
+ return next == NULL ? NULL : next->firstWanted( mat );
}
EntList * lastNot( JoinType );
EntList * prevNot( JoinType j ) {
- return prev->lastNot( j );
+ return prev == NULL ? NULL : prev->lastNot( j );
}
EntList * lastWanted( MatchType );
EntList * prevWanted( MatchType mat ) {
- return prev->lastWanted( mat );
+ return prev == NULL ? NULL : prev->lastWanted( mat );
}
JoinType join;