From 627046d849b080fbdb3872eb332fb7aaa9efe45e Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Mon, 23 Nov 2020 11:51:39 -0800
Subject: [PATCH] test: repair Autodiff/validation-test/optional-property on
 Win32

The test relies on the module name being `null`.  This is implied by the
`-o /dev/null`.  However, that is not guaranteed.  Explicitly use the
desired module name.
---
 test/AutoDiff/validation-test/optional-property.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/AutoDiff/validation-test/optional-property.swift b/test/AutoDiff/validation-test/optional-property.swift
index 000433ffaf96c..fadd93b26e807 100644
--- a/test/AutoDiff/validation-test/optional-property.swift
+++ b/test/AutoDiff/validation-test/optional-property.swift
@@ -1,5 +1,5 @@
 // RUN: %target-run-simple-swift
-// RUN: %target-swift-emit-sil -Xllvm -debug-only=differentiation -o /dev/null 2>&1 %s | %FileCheck %s
+// RUN: %target-swift-emit-sil -Xllvm -debug-only=differentiation -module-name null -o /dev/null 2>&1 %s | %FileCheck %s
 // REQUIRES: executable_test
 // REQUIRES: asserts