| Issue |
126270
|
| Summary |
Clang does not diagnose an explicit specialization or partial specialization of initializer_list
|
| Labels |
clang:frontend,
accepts-invalid
|
| Assignees |
|
| Reporter |
miyuki
|
According to the C++ standard (C++23 [initializer.list.syn] paragraph 2):
> If an explicit specialization or partial specialization of `initializer_list` is declared, the program is ill-formed.
It does not say "no diagnostic is required"; therefore, I think Clang must produce an error, but it does not. Example code:
```
#include <initializer_list>
template<>
class std::initializer_list<int> {};
template<typename T>
class std::initializer_list<T*> {};
```
Clang (current trunk version) accepts the code with `-std=c++23 -pedantic-errors`.
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