From 183bf917eef7921a1e747b908dce0e2443f2a057 Mon Sep 17 00:00:00 2001
From: Igor Chevdar <igor.chevdar@jetbrains.com>
Date: Fri, 23 Mar 2018 13:50:44 +0300
Subject: [PATCH] Fixed bug in InlineCopyIr with IrGetClass + test

---
 .../lower/DeepCopyIrTreeWithDescriptors.kt     |  1 -
 backend.native/tests/build.gradle              |  5 +++++
 .../tests/codegen/inline/getClass.kt           | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 backend.native/tests/codegen/inline/getClass.kt

diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DeepCopyIrTreeWithDescriptors.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DeepCopyIrTreeWithDescriptors.kt
index 72efe99c91b..08e10ac244d 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DeepCopyIrTreeWithDescriptors.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DeepCopyIrTreeWithDescriptors.kt
@@ -597,7 +597,6 @@ internal class DeepCopyIrTreeWithDescriptors(val targetDescriptor: FunctionDescr
 
         override fun visitGetClass(expression: IrGetClass): IrGetClass {
             val type = substituteType(expression.type)!!
-            if (type == expression.type) return expression
             return IrGetClassImpl(
                 startOffset = expression.startOffset,
                 endOffset   = expression.endOffset,
diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index bd14f312f08..a218a76a1fb 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -2261,6 +2261,11 @@ task inline_lambdaAsAny(type: RunKonanTest) {
     source = "codegen/inline/lambdaAsAny.kt"
 }
 
+task inline_getClass(type: RunKonanTest) {
+    goldValue = "OK\n"
+    source = "codegen/inline/getClass.kt"
+}
+
 task deserialized_inline0(type: RunKonanTest) {
     source = "serialization/deserialized_inline0.kt"
 }
diff --git a/backend.native/tests/codegen/inline/getClass.kt b/backend.native/tests/codegen/inline/getClass.kt
new file mode 100644
index 00000000000..fd4a080c26d
--- /dev/null
+++ b/backend.native/tests/codegen/inline/getClass.kt
@@ -0,0 +1,18 @@
+package codegen.inline.getClass
+
+import kotlin.test.*
+
+fun foo() {
+    val cls1: Any? = Int
+    val cls2: Any? = null
+
+    cls1?.let {
+        cls2?.let {
+            var itClass = it::class
+        }
+    }
+}
+
+@Test fun runTest() {
+    println("OK")
+}