From f929a25407900ff2b353ad532853290122ca03b1 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Thu, 15 Aug 2019 10:02:32 -0700
Subject: [PATCH] Add regression test

---
 .../typeInference/unionTypeInference.ts        | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts b/tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts
index 4d9a3eae21e..6203da5e989 100644
--- a/tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts
+++ b/tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts
@@ -1,4 +1,5 @@
 // @strict: true
+// @target: esnext
 
 declare const b: boolean;
 declare const s: string;
@@ -51,3 +52,20 @@ foo(x);
 
 declare function bar<T>(x: T, y: string | T): T;
 const y = bar(1, 2);
+
+// Repro from #32752
+
+const containsPromises: unique symbol = Symbol();
+
+type DeepPromised<T> =
+    { [containsPromises]?: true } &
+    { [TKey in keyof T]: T[TKey] | DeepPromised<T[TKey]> | Promise<DeepPromised<T[TKey]>> };
+
+async function fun<T>(deepPromised: DeepPromised<T>) {
+    const deepPromisedWithIndexer: DeepPromised<{ [name: string]: {} | null | undefined }> = deepPromised;
+    for (const value of Object.values(deepPromisedWithIndexer)) {
+        const awaitedValue = await value;
+        if (awaitedValue)
+            await fun(awaitedValue);
+    }
+}