[libcxx-commits] [libcxx] [llvm] Add C++23 stacktrace (P0881R7) (PR #136528)

[Steve O'Brien via libcxx-commits]

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@@ -0,0 +1,106 @@
+//===----------------------------------------------------------------------===//
+//
+// 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: c++03, c++11, c++14, c++17, c++20
+
+#include <stacktrace>
+
+#include <cassert>
+
+/*
+  (19.6.4.4) Comparisons [stacktrace.basic.cmp]
+
+  template<class Allocator2>
+  friend bool operator==(const basic_stacktrace& x,
+                          const basic_stacktrace<Allocator2>& y) noexcept;
+
+  template<class Allocator2>
+  friend strong_ordering operator<=>(const basic_stacktrace& x,
+                                      const basic_stacktrace<Allocator2>& y) noexcept;
+*/
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elsteveogrande wrote:

I'll break these up, reformat, etc.

https://github.com/llvm/llvm-project/pull/136528