| Issue |
208994
|
| Summary |
[Clang] Explicit conversion from a class implicitly convertible to `nullptr_t` to `bool`
|
| Labels |
clang:frontend,
diverges-from:gcc,
diverges-from:msvc,
diverges-from:edg
|
| Assignees |
|
| Reporter |
frederick-vs-ja
|
Currently, only Clang accepts the following example. [Godbolt link](https://godbolt.org/z/fTr49cK9x).
```C++
struct CwNullptr {
operator decltype(nullptr)() const { return {}; }
};
[[maybe_unused]] bool b(CwNullptr{});
```
I _guess_ this example ill-formed per the question in [CWG1781](https://cplusplus.github.io/CWG/issues/1781.html). However, Clang hasn't claim having implemented CWG1781 and there doesn't seem a test for this.
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