C++: Actually propagate the 'isBarrier1' or 'isBarrier2' predicates to the dataflow configurations.

Author: MathiasVP

cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/ProductFlow.qll

@@ -374,6 +374,8 @@ module ProductFlow {
 
       predicate isBarrier(DataFlow::Node node, FlowState state) { Config::isBarrier1(node, state) }
 
+      predicate isBarrier(DataFlow::Node node) { Config::isBarrier1(node) }
+
       predicate isBarrierOut(DataFlow::Node node) { Config::isBarrierOut1(node) }
 
       predicate isAdditionalFlowStep(
@@ -408,6 +410,8 @@ module ProductFlow {
 
       predicate isBarrier(DataFlow::Node node, FlowState state) { Config::isBarrier2(node, state) }
 
+      predicate isBarrier(DataFlow::Node node) { Config::isBarrier2(node) }
+
       predicate isBarrierOut(DataFlow::Node node) { Config::isBarrierOut2(node) }
 
       predicate isAdditionalFlowStep(