Fixes bug in local declarations lowering + test

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/lower/AbstractClosureAnnotator.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.backend.common.lower
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.expressions.IrCatch
 import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
 import org.jetbrains.kotlin.ir.expressions.IrValueAccessExpression
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitorVoid
@@ -172,6 +173,11 @@ class ClosureAnnotator   {
             super.visitVariable(declaration)
         }
 
+        override fun visitCatch(aCatch: IrCatch) {
+            closuresStack.peek()?.declareVariable(aCatch.parameter)
+            super.visitCatch(aCatch)
+        }
+
         // Process delegating constructor calls, enum constructor calls, calls and callable references.
         override fun visitMemberAccess(expression: IrMemberAccessExpression) {
             expression.acceptChildrenVoid(this)

backend.native/tests/build.gradle

@@ -568,6 +568,11 @@ task localClass_localFunctionInLocalClass(type: RunKonanTest) {
     source = "codegen/localClass/localFunctionInLocalClass.kt"
 }
 
+task localClass_tryCatch(type: RunKonanTest) {
+    goldValue = ""
+    source = "codegen/localClass/tryCatch.kt"
+}
+
 task function_localFunction(type : RunKonanTest) {
     goldValue = "OK\n"
     source = "codegen/function/localFunction.kt"

backend.native/tests/codegen/localClass/tryCatch.kt

@@ -0,0 +1,16 @@
+private fun foo() {
+    val local =
+            object {
+                fun bar() {
+                    try {
+                    } catch (t: Throwable) {
+                        println(t)
+                    }
+                }
+            }
+    local.bar()
+}
+
+fun main(args: Array<String>) {
+    foo()
+}