Disable passing exceptions from Objective-C to Kotlin

since they can't be correctly handled yet.

Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/SimpleBridgeGeneratorImpl.kt

@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.native.interop.gen
 
 import org.jetbrains.kotlin.native.interop.gen.jvm.KotlinPlatform
+import org.jetbrains.kotlin.native.interop.indexer.Language
 import org.jetbrains.kotlin.native.interop.indexer.NativeLibrary
 import org.jetbrains.kotlin.native.interop.indexer.mapFragmentIsCompilable
 
@@ -120,6 +121,14 @@ class SimpleBridgeGeneratorImpl(
             nativeLines.add("    $it")
         }
 
+        if (libraryForCStubs.language == Language.OBJECTIVE_C) {
+            // Prevent Objective-C exceptions from passing to Kotlin:
+            nativeLines.add(1, "@try {")
+            nativeLines.add("} @catch (id e) { objc_terminate(); }")
+            // 'objc_terminate' will report the exception.
+            // TODO: consider implementing this in bitcode generator.
+        }
+
         nativeLines.add("}")
         kotlinLines.add("private external fun $kotlinFunctionName($kotlinParameters): ${returnType.kotlinType}")
 

Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/StubGenerator.kt

@@ -801,7 +801,13 @@ class StubGenerator(
                     "-I$javaHome/../include/$it"
                 }
                 KotlinPlatform.NATIVE -> emptyList()
-            }
+            },
+
+            additionalPreambleLines = configuration.library.additionalPreambleLines +
+                    when (configuration.library.language) {
+                        Language.C -> emptyList()
+                        Language.OBJECTIVE_C -> listOf("void objc_terminate();")
+                    }
     )
 
     /**