From 05e7d24b3df0ea1486ff27a52e77132e1a683e1d Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Wed, 24 Apr 2013 19:44:26 +0000
Subject: [PATCH] default_delete needs a static_assert against void types.  I
 had previously thought that sizeof(void) would take care of this.  I was
 wrong.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@180213 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/memory                                |  2 ++
 .../unique.ptr.dltr.dflt/void.fail.cpp        | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 test/utilities/memory/unique.ptr/unique.ptr.dltr/unique.ptr.dltr.dflt/void.fail.cpp

diff --git a/include/memory b/include/memory
index 87436ac7..2a8b7e66 100644
--- a/include/memory
+++ b/include/memory
@@ -2485,6 +2485,7 @@ struct _LIBCPP_TYPE_VIS default_delete
     _LIBCPP_INLINE_VISIBILITY void operator() (_Tp* __ptr) const _NOEXCEPT
         {
             static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type");
+            static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type");
             delete __ptr;
         }
 };
@@ -2507,6 +2508,7 @@ public:
                          typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) const _NOEXCEPT
         {
             static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type");
+            static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type");
             delete [] __ptr;
         }
 };
diff --git a/test/utilities/memory/unique.ptr/unique.ptr.dltr/unique.ptr.dltr.dflt/void.fail.cpp b/test/utilities/memory/unique.ptr/unique.ptr.dltr/unique.ptr.dltr.dflt/void.fail.cpp
new file mode 100644
index 00000000..5d1cf1ff
--- /dev/null
+++ b/test/utilities/memory/unique.ptr/unique.ptr.dltr/unique.ptr.dltr.dflt/void.fail.cpp
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// default_delete
+
+// Test that default_delete's operator() requires a complete type
+
+#include <memory>
+#include <cassert>
+
+int main()
+{
+    std::default_delete<const void> d;
+    const void* p = 0;
+    d(p);
+}