[K/N] Added test for exceptions behaviour in case of dynamic libs (KT-47828)

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

@@ -5152,6 +5152,15 @@ dynamicTest("interop_exceptions_throwThroughBridge") {
     interop = "exceptions_throwThroughBridge"
 }
 
+dynamicTest("interop_kotlin_exception_hook") {
+    disabled = (project.testTarget == 'wasm32') // Uses exceptions + dynamic is unsupported for wasm.
+    source = "interop/exceptions/exceptionHook.kt"
+    cSource = "$projectDir/interop/exceptions/exceptionHook.cpp"
+    clangTool = "clang++"
+    expectedExitStatusChecker = { it != 0 }
+    outputChecker = { s -> s.contains("OK. Kotlin unhandled exception hook") }
+}
+
 interopTest("interop_exceptions_cCallback") {
     disabled = (project.testTarget == 'wasm32') // Uses exceptions
     source = "interop/exceptions/cCallback.kt"

kotlin-native/backend.native/tests/interop/exceptions/exceptionHook.cpp

@@ -0,0 +1,11 @@
+#include "testlib_api.h"
+
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+    try {
+        testlib_symbols()->kotlin.root.setHookAndThrow();
+    } catch (...) {
+        printf("FAIL. Native catch.\n");
+    }
+}

kotlin-native/backend.native/tests/interop/exceptions/exceptionHook.kt

@@ -0,0 +1,11 @@
+import kotlin.native.concurrent.freeze
+
+// KT-47828
+fun setHookAndThrow() {
+    val hook = { _: Throwable ->
+        println("OK. Kotlin unhandled exception hook")
+    }
+    hook.freeze()
+    setUnhandledExceptionHook(hook)
+    throw Exception("Error")
+}