| Issue |
64712
|
| Summary |
[Clang] Add the ability to deprecated namespace aliases
|
| Labels |
enhancement,
clang:frontend
|
| Assignees |
|
| Reporter |
philnik777
|
Currently, there is no way to deprecate namespace aliases with Clang. It would be great to make this possible, since that makes it a lot less problematic to rename namespaces.
```c++
namespace my_new_ns {
struct S {};
}
[[deprecated]] namespace my_old_ns = my_new_ns;
my_old_ns::S a; // expected-warning {{my_old_ns is deprecated}}
my_new_ns::S b; // should not be diagnosed
```
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