diff --git a/cpp/ql/test/library-tests/ir/ir/AliasedSSAIRSanity.expected b/cpp/ql/test/library-tests/ir/ir/AliasedSSAIRSanity.expected
index 3d93d822b3c..f05c1067fb9 100644
--- a/cpp/ql/test/library-tests/ir/ir/AliasedSSAIRSanity.expected
+++ b/cpp/ql/test/library-tests/ir/ir/AliasedSSAIRSanity.expected
@@ -1,3 +1,4 @@
 missingOperand
 unexpectedOperand
 duplicateOperand
+operandAcrossFunctions
diff --git a/cpp/ql/test/library-tests/ir/ir/IRSanity.expected b/cpp/ql/test/library-tests/ir/ir/IRSanity.expected
index 3d93d822b3c..f05c1067fb9 100644
--- a/cpp/ql/test/library-tests/ir/ir/IRSanity.expected
+++ b/cpp/ql/test/library-tests/ir/ir/IRSanity.expected
@@ -1,3 +1,4 @@
 missingOperand
 unexpectedOperand
 duplicateOperand
+operandAcrossFunctions
diff --git a/cpp/ql/test/library-tests/ir/ir/SSAIRSanity.expected b/cpp/ql/test/library-tests/ir/ir/SSAIRSanity.expected
index 3d93d822b3c..f05c1067fb9 100644
--- a/cpp/ql/test/library-tests/ir/ir/SSAIRSanity.expected
+++ b/cpp/ql/test/library-tests/ir/ir/SSAIRSanity.expected
@@ -1,3 +1,4 @@
 missingOperand
 unexpectedOperand
 duplicateOperand
+operandAcrossFunctions