C++: Add change note.

MathiasVP · MathiasVP · commit 7aca94b1ca89 · 2026-01-19T11:43:59.000Z
diff --git a/cpp/ql/lib/change-notes/2026-01-19-parameterized-barrier-guard.md b/cpp/ql/lib/change-notes/2026-01-19-parameterized-barrier-guard.md
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+---
+category: feature
+---
+* Added modules `DataFlow::ParameterizedBarrierGuard` and `DataFlow::ParameterizedInstructionBarrierGuard`. These modules provide the same features as `DataFlow::BarrierGuard` and `DataFlow::InstructionBarrierGuard`, but allow for an additional parameter to support properly using them in dataflow configurations that uses flow states.

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 +---
 +category: feature
 +---
 +* Added modules `DataFlow::ParameterizedBarrierGuard` and `DataFlow::ParameterizedInstructionBarrierGuard`. These modules provide the same features as `DataFlow::BarrierGuard` and `DataFlow::InstructionBarrierGuard`, but allow for an additional parameter to support properly using them in dataflow configurations that uses flow states.