Fix indexing with Union{} array (#30146)

simonbyrne · KristofferC · commit 25c1a4a8c65c · 2020-02-20T22:26:02.000+01:00
(cherry picked from commit 024bcb7)
diff --git a/test/abstractarray.jl b/test/abstractarray.jl
@@ -917,3 +917,8 @@ end
     X = [1,2,3]
     @test isempty(X[Union{}[]])
 end
+
+@testset "Issue 30145" begin
+    X = [1,2,3]
+    @test isempty(X[Union{}[]])
+end
