KT-3461 Nullable argument allowed where shouldn't be

#KT-3461 Fixed

compiler/testData/diagnostics/tests/inference/nestedCalls/kt3461checkTypes.kt

@@ -0,0 +1,15 @@
+//KT-3461 Nullable argument allowed where shouldn't be
+package a
+
+class F {
+    fun p(): String? = null
+}
+
+fun foo(<!UNUSED_PARAMETER!>s<!>: String) {}
+
+fun r(): Int? = null
+
+fun test() {
+    foo(<!TYPE_MISMATCH!>F().p()<!>)
+    foo(<!TYPE_MISMATCH!>r()<!>)
+}