Merge branch 'main' into users/mingmingl-llvm/samplefdo-profile-formatusers/mingmingl-llvm/samplefdo-profile-format

1 files changed, 21 insertions, 0 deletions

diff --git a/libcxx/test/libcxx-03/utilities/function.objects/refwrap/layout.binary.compile.pass.cpp b/libcxx/test/libcxx-03/utilities/function.objects/refwrap/layout.binary.compile.pass.cpp
new file mode 100644
index 000000000000..023ed8ddbfa3
--- /dev/null
+++ b/libcxx/test/libcxx-03/utilities/function.objects/refwrap/layout.binary.compile.pass.cpp
@@ -0,0 +1,21 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: msvc
+
+// ensure that binary_function always has the same ABI
+
+#include <functional>
+
+struct S1 : std::less<int>, std::greater<int> {};
+
+static_assert(sizeof(S1) == 2, "");
+
+struct S2 : std::less<int> { char c; };
+
+static_assert(sizeof(S2) == 1, "");