From 39c6aa0f2c75e1f280d723453d3aefa5e1e90ee6 Mon Sep 17 00:00:00 2001
From: Igor Chevdar <igor.chevdar@jetbrains.com>
Date: Thu, 4 May 2017 12:56:32 +0500
Subject: [PATCH] Fixed bug in DeepCopyIrWithDescriptors

---
 .../common/DeepCopyIrTreeWithDescriptoros.kt     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/DeepCopyIrTreeWithDescriptoros.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/DeepCopyIrTreeWithDescriptoros.kt
index d59fa939dc0..24b2189e661 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/DeepCopyIrTreeWithDescriptoros.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/DeepCopyIrTreeWithDescriptoros.kt
@@ -150,6 +150,22 @@ internal class DeepCopyIrTreeWithDescriptors(val targetDescriptor: DeclarationDe
             super.visitVariable(declaration)
         }
 
+        //---------------------------------------------------------------------//
+
+        override fun visitCatch(aCatch: IrCatch) {
+            val oldDescriptor = aCatch.parameter
+            val oldContainingDeclaration = oldDescriptor.containingDeclaration
+            val newContainingDeclaration = descriptorSubstituteMap.getOrDefault(oldContainingDeclaration, oldContainingDeclaration)
+            val newDescriptor = IrTemporaryVariableDescriptorImpl(
+                    containingDeclaration = newContainingDeclaration,
+                    name                  = generateCopyName(oldDescriptor.name),
+                    outType               = substituteType(oldDescriptor.type)!!,
+                    isMutable             = oldDescriptor.isVar)
+            descriptorSubstituteMap[oldDescriptor] = newDescriptor
+
+            super.visitCatch(aCatch)
+        }
+
         //--- Copy descriptors ------------------------------------------------//
 
         private fun generateCopyName(name: Name): Name {