Make parameter names of fictitious function classes non-stable

To be able to change them when overriding invoke in subclasses without a
warning

compiler/testData/diagnostics/tests/override/parameterNames/invokeInFunctionClass.kt

@@ -0,0 +1,27 @@
+class Function1Impl : (String) -> Unit {
+    override fun invoke(myParamName: String) {}
+}
+
+fun test1(f: Function1Impl) {
+    f("")
+    f(<!NAMED_PARAMETER_NOT_FOUND!>p0<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    f(myParamName = "")
+    f.invoke("")
+    f.invoke(<!NAMED_PARAMETER_NOT_FOUND!>p0<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    f.invoke(myParamName = "")
+}
+
+fun test2(f: (String) -> Unit) {
+    f("")
+    f(<!NAMED_ARGUMENTS_NOT_ALLOWED, NAMED_PARAMETER_NOT_FOUND!>p0<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    f(<!NAMED_ARGUMENTS_NOT_ALLOWED, NAMED_PARAMETER_NOT_FOUND!>myParamName<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    f.invoke("")
+    f.invoke(<!NAMED_ARGUMENTS_NOT_ALLOWED, NAMED_PARAMETER_NOT_FOUND!>p0<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    f.invoke(<!NAMED_ARGUMENTS_NOT_ALLOWED, NAMED_PARAMETER_NOT_FOUND!>myParamName<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+}
+
+fun test3(f: String.(String) -> Unit) {
+    "".f("")
+    "".f(<!NAMED_PARAMETER_NOT_FOUND!>p0<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+    "".f(<!NAMED_PARAMETER_NOT_FOUND!>zzz<!> = ""<!NO_VALUE_FOR_PARAMETER!>)<!>
+}