diff --git a/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.fir.kt b/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.fir.kt
new file mode 100644
index 00000000000..209e68c9f15
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.fir.kt
@@ -0,0 +1,8 @@
+interface IWithToString {
+    override fun toString(): String
+}
+
+class A : IWithToString {
+    // Should be Any#toString(), even though IWithToString defines an abstract toString.
+    override fun toString(): String = super.<!ABSTRACT_SUPER_CALL!>toString<!>()
+}
\ No newline at end of file
diff --git a/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.kt b/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.kt
index 38c2975daef..ba5f4f70298 100644
--- a/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.kt
+++ b/compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.kt
@@ -1,4 +1,3 @@
-// FIR_IDENTICAL
 interface IWithToString {
     override fun toString(): String
 }