Minor. Add tests

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

@@ -0,0 +1,29 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: IGNORED_IN_JS
+// IGNORE_BACKEND: JS, JS_IR, JS_IR_ES6, NATIVE
+// WITH_REFLECT
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+import kotlin.test.*
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Z<T: String>(val s: T)
+
+fun box(): String {
+    val a = Z("a")
+    val b = Z("b")
+
+    val equals = Z<String>::equals
+    assertTrue(equals.call(a, a))
+    assertFalse(equals.call(a, b))
+
+    val hashCode = Z<String>::hashCode
+    assertEquals(a.s.hashCode(), hashCode.call(a))
+
+    val toString = Z<String>::toString
+    assertEquals("Z(s=${a.s})", toString.call(a))
+
+    return "OK"
+}