Tests for callable references and inline classes

compiler/testData/codegen/box/inlineClasses/callableReferences/inlineClassExtensionFun.kt

@@ -0,0 +1,19 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JVM_IR
+// WITH_RUNTIME
+
+inline class Z(val x: Int)
+inline class L(val x: Long)
+inline class S(val x: String)
+
+fun Z.test() = x
+fun L.test() = x
+fun S.test() = x
+
+fun box(): String {
+    if (Z::test.invoke(Z(42)) != 42) throw AssertionError()
+    if (L::test.invoke(L(1234L)) != 1234L) throw AssertionError()
+    if (S::test.invoke(S("abcdef")) != "abcdef") throw AssertionError()
+
+    return "OK"
+}