[FIR] Reproduce KT-65584

The diagnostic target source element
type was changed to prevent crash due
to `checkPsiTypeConsistency()` in
`duplicateParameterNameSimplified.fir.kt`

^KT-65584

compiler/testData/diagnostics/tests/duplicateParameterNameSimplified.kt

@@ -0,0 +1,14 @@
+// ISSUE: KT-65584
+
+fun <T> giveItName(it: T, block: (myName: T) -> Unit) = block(it)
+
+fun <T> duplicateIt(it: T, block: (T, T) -> Unit) = block
+
+class MyTriple<T, K, M>(val a: T, val b: K, val c: M)
+
+fun test() {
+    giveItName(10) {
+        MyTriple(it, it, it).also { self -> }
+        (duplicateIt(it) { a, b -> }).also { function -> }
+    }
+}