C++: Add change note.

MathiasVP · MathiasVP · commit 0c3d9f75f4a4 · 2024-03-19T09:41:58.000Z
diff --git a/cpp/ql/lib/change-notes/2024-03-19-predicates-for-switches-as-guards.md b/cpp/ql/lib/change-notes/2024-03-19-predicates-for-switches-as-guards.md
@@ -0,0 +1,5 @@
+---
+category: feature
+---
+* Added a predicate `GuardCondition.comparesEq/4` to query whether an expression is compared to a constant. 
+* Added a predicate `GuardCondition.ensuresEq/4` to query whether a basic block is guarded by an expression being equal to a constant.
