diff --git a/idea/testData/checker/regression/Jet69.jet b/idea/testData/checker/regression/Jet69.jet
new file mode 100644
index 00000000000..0bf3fce5ca2
--- /dev/null
+++ b/idea/testData/checker/regression/Jet69.jet
@@ -0,0 +1,8 @@
+fun parse(cmd: String): Command? { return null  }
+
+fun Any.equals(other : Any?) : Boolean = this === other
+
+fun main(args: Array<String>) {
+    val command = parse("")
+    if (command == null) 1 // error on this line, but must be OK
+}