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

compiler/testData/diagnostics/tests/inference/functionPlaceholderError.fir.kt

@@ -0,0 +1,15 @@
+// !WITH_NEW_INFERENCE
+// !CHECK_TYPE
+
+package a
+
+fun <T> emptyList(): List<T> = throw Exception()
+
+fun <T> foo(f: T.() -> Unit, l: List<T>): T = throw Exception("$f$l")
+
+fun test() {
+    val q = foo(fun Int.() {}, emptyList()) //type inference no information for parameter error
+    checkSubtype<Int>(q)
+
+    foo({}, emptyList())
+}