[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/constructorConsistency/comparison.fir.kt

@@ -0,0 +1,10 @@
+val instance = My()
+
+class My {
+    val equalsInstance = (this == instance)
+
+    val isInstance = if (this === instance) "true" else "false"
+
+    override fun equals(other: Any?) =
+            other is My && isInstance.hashCode() == other.isInstance.hashCode()
+}