From 0849d28af1ece494385c7b74b5fc2f7bf7202b6d Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Sun, 12 Feb 2017 17:37:44 +0000
Subject: [PATCH] test: squelch -Wreturn-type error

Add an unreachable marker to avoid a -Wreturn-type error when building
on Windows.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@294901 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../function.objects/func.not_fn/not_fn.pass.cpp         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp b/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
index 47a3e1cc5..2b19211be 100644
--- a/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
+++ b/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
@@ -414,7 +414,14 @@ void throws_in_constructor_test()
         throw 42;
       }
       ThrowsOnCopy() = default;
-      bool operator()() const { assert(false); }
+      bool operator()() const {
+        assert(false);
+#if defined(_LIBCPP_MSVC)
+        __assume(0);
+#else
+        __builtin_unreachable();
+#endif
+      }
     };
     {
         ThrowsOnCopy cp;