Added reproducer for https://github.com/JetBrains/kotlin-native/issues/3343

backend.native/tests/build.gradle

@@ -3374,6 +3374,11 @@ if (PlatformInfo.isAppleTarget(project)) {
         def includePath = file("interop/objc/kt34467").absolutePath
         it.compilerOpts "-fmodule-map-file=$moduleMap", "-I$includePath"
     }
+    createInterop("objcGh3343") {
+        it.defFile 'framework/gh3343/objclib.def'
+        it.headers "$projectDir/framework/gh3343/objclib.h"
+        it.linkerOpts "-L$buildDir",  "-lobjcgh3343"
+    }
 }
 
 createInterop("withSpaces") {
@@ -3876,6 +3881,42 @@ if (isAppleTarget(project)) {
         }
         swiftSources = ['framework/multiple/multiple.swift']
     }
+
+    task testGh3343Framework(type: FrameworkTest) {
+        final String frameworkName = 'Gh3343'
+        testName = frameworkName
+        frameworkNames = [frameworkName]
+
+        def mainTask = it
+
+        konanArtifacts {
+            def lib = "objcGh3343"
+            def libTask = "compileKonan${lib.capitalize()}${target.name.capitalize()}"
+            UtilsKt.dependsOnDist(project, libTask)
+            UtilsKt.sameDependenciesAs(libTask, mainTask)
+            mainTask.dependsOn(libTask)
+
+            def lnOpts = (project.tasks.getByName(libTask)).linkerOpts
+
+            framework(frameworkName, targets: [ target ]) {
+                libraries {
+                    artifact lib
+                }
+                srcDir 'framework/gh3343'
+                baseDir "$testOutputFramework/$testName"
+
+                if (!useCustomDist) {
+                    dependsOn ":${target}CrossDistRuntime", ':commonDistRuntime', ':distCompiler'
+                }
+
+                linkerOpts lnOpts
+                extraOpts "-Xembed-bitcode-marker"
+                extraOpts project.globalTestArgs
+            }
+        }
+        swiftSources = ['framework/gh3343/uselib.swift']
+    }
+
 }
 
 /**

backend.native/tests/framework/gh3343/ktlib.kt

@@ -0,0 +1,15 @@
+import kotlinx.cinterop.*
+import objclib.*
+import kotlin.native.ref.*
+
+fun run(): List<Any?> {
+    val result = mutableListOf<Any?>()
+    result.add(foo1(42))
+    val list = foo2(117)
+    if (list != null) {
+        result.add(list.size)
+        for (x in list)
+            result.add(x)
+    }
+    return result
+}

backend.native/tests/framework/gh3343/objclib.def

@@ -0,0 +1,3 @@
+language = Objective-C
+headers = Foundation/NSArray.h Foundation/NSValue.h Foundation/NSString.h
+headerFilter = **/objclib.h Foundation/NSArray.h Foundation/NSValue.h Foundation/NSString.h

backend.native/tests/framework/gh3343/objclib.h

@@ -0,0 +1,11 @@
+#import <Foundation/Foundation.h>
+
+NSString* foo1(int x) {
+  return [NSString stringWithFormat:@"%d", x];
+}
+
+NSArray* foo2(int x) {
+  NSValue* xx = @(x);
+  NSString* s = @"zzz";
+  return [NSArray arrayWithObjects: xx, s, nil];
+}

backend.native/tests/framework/gh3343/uselib.swift

@@ -0,0 +1,23 @@
+import Foundation
+import Gh3343
+
+func testGh3343() throws {
+    let list = KtlibKt.run()
+    try assertEquals(actual: list[0] as? String, expected: "42")
+    try assertEquals(actual: list[1] as? Int, expected: 2)
+    try assertEquals(actual: list[2] as? Int, expected: 117)
+    try assertEquals(actual: list[3] as? String, expected: "zzz")
+}
+
+// -------- Execution of the test --------
+
+class Gh3343Tests : TestProvider {
+    var tests: [TestCase] = []
+
+    init() {
+        providers.append(self)
+        tests = [
+            TestCase(name: "Gh3343", method: withAutorelease(testGh3343)),
+        ]
+    }
+}