[libcxx-commits] [libcxx] [libc++] Add randomize unspecified stability in `__hash_table` (PR #105982)

[Louis Dionne via libcxx-commits]

================
@@ -0,0 +1,77 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// Test std::unordered_{set,map,multiset,multimap} randomization
+
+// UNSUPPORTED: c++03
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY
+
+#include <unordered_set>
+#include <unordered_map>
+#include <cassert>
+#include <vector>
+#include <algorithm>
+
+const int kSize = 128;
+
+template <typename T, typename F>
+T get_random(F get_value) {
+  T v;
+  v.reserve(kSize);
----------------
ldionne wrote:

```suggestion
  Container c;
  c.reserve(kSize);
```

Or something like that -- minor change but it makes things easier to read.

https://github.com/llvm/llvm-project/pull/105982