From ba43ee841074d63108b5f07a8e64208dd31e05ae Mon Sep 17 00:00:00 2001
From: Dmitry Petrov <dmitry.petrov@jetbrains.com>
Date: Wed, 3 Jun 2020 14:05:01 +0300
Subject: [PATCH] Handle error type in SamType

---
 .../backend/src/org/jetbrains/kotlin/codegen/SamType.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
index 63db01fda63..9c3be719007 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor;
 import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils;
 import org.jetbrains.kotlin.resolve.sam.SamConversionResolverImplKt;
 import org.jetbrains.kotlin.types.KotlinType;
+import org.jetbrains.kotlin.types.KotlinTypeKt;
 import org.jetbrains.kotlin.types.typeUtil.TypeUtilsKt;
 
 public class SamType {
@@ -46,6 +47,10 @@ public class SamType {
             originalSingleArgumentType = valueParameter.getOriginal().getType();
         }
 
+        if (KotlinTypeKt.isError(singleArgumentType) || KotlinTypeKt.isError(originalSingleArgumentType)) {
+            return null;
+        }
+
         KotlinType originalTypeToUse =
                 // This can be true in case when the value parameter is in the method of a generic type with out-projection.
                 // We approximate Inv<Captured#1> to Nothing, while Inv itself can be a SAM interface safe to call here