[clang] [Clang] Introduce malloc_span attribute (PR #167010)

[Marco Elver via cfe-commits]

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@@ -327,6 +327,10 @@ Attribute Changes in Clang
 - New format attributes ``gnu_printf``, ``gnu_scanf``, ``gnu_strftime`` and ``gnu_strfmon`` are added
   as aliases for ``printf``, ``scanf``, ``strftime`` and ``strfmon``. (#GH16219)
 
+- New function attribute `malloc_span` is added. It has the `malloc` semantics, but must be applied
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melver wrote:

s/It has the `malloc` semantics/Its semantics are similar to the `malloc` attribute/

The semantics aren't quite identical.

https://github.com/llvm/llvm-project/pull/167010