Minor. Add tests

compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyGeneric.kt

@@ -0,0 +1,33 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: Any>(val value: T)
+
+object Foo {
+    fun foo(value: Value<String>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<String>?) {
+        res = value?.value
+    }
+}
+
+var res: String? = "FAIL"
+
+fun box(): String {
+    Value("OK").let(Foo::foo)
+    if (res != "OK") return "FAIL 1: $res"
+    res = "FAIL 2"
+
+    Value("OK").let(Foo::bar)
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 5: $res"
+
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyNGeneric.kt

@@ -0,0 +1,33 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T>(val value: T)
+
+object Foo {
+    fun foo(value: Value<String?>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<String?>?) {
+        res = value?.value
+    }
+}
+
+var res: String? = "FAIL"
+
+fun box(): String {
+    Value<String?>("OK").let(Foo::foo)
+    if (res != "OK") return "FAIL 1: $res"
+    res = "FAIL 2"
+
+    Value<String?>("OK").let(Foo::bar)
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 5: $res"
+
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/callableReferences/let/intGeneric.kt

@@ -0,0 +1,33 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: Int>(val value: T)
+
+object Foo {
+    fun foo(value: Value<Int>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<Int>?) {
+        res = value?.value
+    }
+}
+
+var res: Int? = 0
+
+fun box(): String {
+    Value(42).let(Foo::foo)
+    if (res != 42) return "FAIL 1 $res"
+    res = 0
+
+    Value(42).let(Foo::bar)
+    if (res != 42) return "FAIL 2 $res"
+    res = 0
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/callableReferences/let/intNGeneric.kt

@@ -0,0 +1,33 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: Int?>(val value: T)
+
+object Foo {
+    fun foo(value: Value<Int?>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<Int?>?) {
+        res = value?.value
+    }
+}
+
+var res: Int? = 0
+
+fun box(): String {
+    Value<Int?>(42).let(Foo::foo)
+    if (res != 42) return "FAIL 1 $res"
+    res = 0
+
+    Value<Int?>(42).let(Foo::bar)
+    if (res != 42) return "FAIL 2 $res"
+    res = 0
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/callableReferences/let/nullGeneric.kt

@@ -0,0 +1,10 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: Any>(val value: T)
+
+fun foo(value: Value<String>?) = value?.value
+
+fun box(): String = (null as Value<String>?).let(::foo) ?: "OK"

compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringGeneric.kt

@@ -0,0 +1,32 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: String>(val value: T)
+
+object Foo {
+    fun foo(value: Value<String>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<String>?) {
+        res = value?.value
+    }
+}
+
+var res: String? = "FAIL"
+
+fun box(): String {
+    Value("OK").let(Foo::foo)
+    if (res != "OK") return "FAIL 1: $res"
+    res = "FAIL 2"
+
+    Value("OK").let(Foo::bar)
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringNGeneric.kt

@@ -0,0 +1,32 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Value<T: String?>(val value: T)
+
+object Foo {
+    fun foo(value: Value<String?>) {
+        res = value.value
+    }
+
+    fun bar(value: Value<String?>?) {
+        res = value?.value
+    }
+}
+
+var res: String? = "FAIL"
+
+fun box(): String {
+    Value<String?>("OK").let(Foo::foo)
+    if (res != "OK") return "FAIL 1: $res"
+    res = "FAIL 2"
+
+    Value<String?>("OK").let(Foo::bar)
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+    return "OK"
+}