[libcxx-commits] [libcxx] [libcxx] improves diagnostics for containers with bad value types (PR #106296)

[Louis Dionne via libcxx-commits]

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@@ -0,0 +1,47 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// Checks that we can only form multimaps of object types.
+
+#include <map>
+
+std::multimap<int const, int> K1;
+std::multimap<int, int const> M1;
+// TODO(cjdb): turn this into a compile-time error
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ldionne wrote:

Instead of adding TODOs here, could you file a Github issue listing the cases you'd like to tackle as a follow-up?

https://github.com/llvm/llvm-project/pull/106296