Added test.

Author: DanielRosenwasser

tests/cases/compiler/objectLiteralsAgainstUnionsOfArrays01.ts

@@ -0,0 +1,11 @@
+interface Foo {
+  bar: Bar | Bar[];
+}
+
+interface Bar {
+  prop: string;
+}
+
+let x: Foo[] = [
+  { bar: { prop: 100 } }
+]