[K/N][tests] Added test for KT-51925

kotlin-native/backend.native/tests/build.gradle

@@ -4230,6 +4230,10 @@ createInterop("kt44283") {
     it.defFile 'interop/kt44283/kt44283.def'
 }
 
+createInterop("kt51925") {
+    it.defFile 'interop/kt51925/kt51925.def'
+}
+
 createInterop("kt43502") {
     it.defFile 'interop/kt43502/kt43502.def'
     it.headers "$projectDir/interop/kt43502/kt43502.h"
@@ -4685,6 +4689,15 @@ interopTest("interop_kt44283") {
     source = "interop/kt44283/main.kt"
 }
 
+// TODO: This test should be run with caches on.
+interopTest("interop_kt51925") {
+    disabled = (project.testTarget == 'wasm32') // No interop for wasm yet.
+    interop = 'kt51925'
+    lib = 'interop/kt51925/kt51925_lib.kt'
+    source = 'interop/kt51925/kt51925_main.kt'
+    useGoldenData = true
+}
+
 dynamicTest("interop_kt43502") {
     disabled = (project.testTarget == 'wasm32') // wasm doesn't support -produce dynamic
     interop = "kt43502"

kotlin-native/backend.native/tests/interop/kt51925/kt51925.def

@@ -0,0 +1,9 @@
+strictEnums = E
+---
+enum E {
+    X = 1, Y = 2, Z = 42
+};
+
+typedef struct {
+    int d;
+} Struct;

kotlin-native/backend.native/tests/interop/kt51925/kt51925_lib.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+import kt51925.*
+import kotlinx.cinterop.*
+
+fun bar1(e: E) = e.value
+
+inline fun foo1() = bar1(E.Z)
+
+fun bar2(s: Struct): Int {
+    return s.d
+}
+
+inline fun foo2(): Int {
+    memScoped {
+        val s = alloc<Struct>()
+        s.d = 42
+        return bar2(s)
+    }
+}

kotlin-native/backend.native/tests/interop/kt51925/kt51925_main.kt

@@ -0,0 +1,9 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+fun main() {
+    println(foo1())
+    println(foo2())
+}

kotlin-native/backend.native/tests/interop/kt51925/kt51925_main.out

@@ -0,0 +1,2 @@
+42
+42