bugfix

Author: aschackmull

shared/dataflow/codeql/dataflow/internal/FlowSummaryImpl.qll

@@ -2241,7 +2241,7 @@ module Make<
         private predicate interpretOutput(
           SourceSinkAccessPath output, int n, InterpretNode ref, InterpretNode node
         ) {
-          sourceElementRef(ref, output, _, _) and
+          (sourceElementRef(ref, output, _, _) or barrierElementRef(ref, output, _, _)) and
           n = 0 and
           (
             if output = ""
@@ -2297,7 +2297,7 @@ module Make<
         private predicate interpretInput(
           SourceSinkAccessPath input, int n, InterpretNode ref, InterpretNode node
         ) {
-          sinkElementRef(ref, input, _, _) and
+          (sinkElementRef(ref, input, _, _) or barrierGuardElementRef(ref, input, _, _, _)) and
           n = 0 and
           (
             if input = ""