From 3d812ef93aece7fd81e0d4ef2b0a961647840ed2 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <Daniel.Rosenwasser@microsoft.com>
Date: Tue, 4 Sep 2018 11:07:50 -0700
Subject: [PATCH] Added test.

---
 tests/cases/compiler/errorsWithCallablesInUnions01.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 tests/cases/compiler/errorsWithCallablesInUnions01.ts

diff --git a/tests/cases/compiler/errorsWithCallablesInUnions01.ts b/tests/cases/compiler/errorsWithCallablesInUnions01.ts
new file mode 100644
index 00000000000..2cb6a3ebd35
--- /dev/null
+++ b/tests/cases/compiler/errorsWithCallablesInUnions01.ts
@@ -0,0 +1,10 @@
+interface IDirectiveLinkFn<TScope> {
+    (scope: TScope): void;
+}
+
+interface IDirectivePrePost<TScope> {
+    pre?: IDirectiveLinkFn<TScope>;
+    post?: IDirectiveLinkFn<TScope>;
+}
+
+export let blah: IDirectiveLinkFn<number> | IDirectivePrePost<number> = (x: string) => {}