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

compiler/testData/diagnostics/tests/secondaryConstructors/headerCallChecker/passingInstance.fir.kt

@@ -0,0 +1,8 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+fun foo(x: A) = 1
+
+class A {
+    constructor(x: Int)
+    constructor(x: Int, y: Int, z: Int = x + foo(this) + foo(this@A)) :
+        this(x + foo(this) + foo(this@A))
+}