From 65cf941b9beb62972cd12203ecd367d6bc21e30c Mon Sep 17 00:00:00 2001
From: Ilya Chernikov <ilya.chernikov@jetbrains.com>
Date: Thu, 17 Dec 2020 19:27:38 +0100
Subject: [PATCH] Remove assertion about dispatch receiver in scripts

#KT-42530 fixed
---
 .../jetbrains/kotlin/resolve/DescriptorResolver.java   |  3 ++-
 .../scripting-compiler/testData/compiler/kt42530.kts   |  5 +++++
 .../kotlin/scripting/compiler/test/ScriptTest.kt       | 10 ++++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 plugins/scripting/scripting-compiler/testData/compiler/kt42530.kts

diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java b/compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java
index 2714eeef1ff..ac2ed637f87 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java
@@ -328,7 +328,8 @@ public class DescriptorResolver {
             }
 
             destructuringVariables = () -> {
-                assert owner.getDispatchReceiverParameter() == null
+                ReceiverParameterDescriptor dispatchReceiver = owner.getDispatchReceiverParameter();
+                assert dispatchReceiver == null || dispatchReceiver.getContainingDeclaration() instanceof ScriptDescriptor
                         : "Destructuring declarations are only be parsed for lambdas, and they must not have a dispatch receiver";
                 LexicalScope scopeForDestructuring =
                         ScopeUtilsKt.createScopeForDestructuring(scope, owner.getExtensionReceiverParameter());
diff --git a/plugins/scripting/scripting-compiler/testData/compiler/kt42530.kts b/plugins/scripting/scripting-compiler/testData/compiler/kt42530.kts
new file mode 100644
index 00000000000..dcde2199a13
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/testData/compiler/kt42530.kts
@@ -0,0 +1,5 @@
+
+fun Int.isOdd() = (this % 2) == 1
+val list: List<Pair<Int, String>> = listOf(1 to "a", 2 to "b")
+val (odds, evens) = list.partition { (i, _) -> i.isOdd() }
+odds
diff --git a/plugins/scripting/scripting-compiler/tests/org/jetbrains/kotlin/scripting/compiler/test/ScriptTest.kt b/plugins/scripting/scripting-compiler/tests/org/jetbrains/kotlin/scripting/compiler/test/ScriptTest.kt
index 174579f0f3e..73e4f3c8ec4 100644
--- a/plugins/scripting/scripting-compiler/tests/org/jetbrains/kotlin/scripting/compiler/test/ScriptTest.kt
+++ b/plugins/scripting/scripting-compiler/tests/org/jetbrains/kotlin/scripting/compiler/test/ScriptTest.kt
@@ -76,6 +76,16 @@ class ScriptTest : TestCase() {
         })
     }
 
+    fun testKt42530() {
+        val aClass = compileScript("kt42530.kts", StandardScriptDefinition)
+        Assert.assertNotNull(aClass)
+        val out = captureOut {
+            val anObj = tryConstructClassFromStringArgs(aClass!!, emptyList())
+            Assert.assertNotNull(anObj)
+        }
+        assertEqualsTrimmed("[(1, a)]", out)
+    }
+
     private fun compileScript(
         scriptPath: String,
         scriptDefinition: KotlinScriptDefinition,