| Issue |
152019
|
| Summary |
Clang accepts invalid parenthesized template name in deduction guide declaration
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
zygoloid
|
Along the same lines as #152018, but a somewhat different case:
```c++
template<typename T> struct X {};
(X)() -> X<int>;
```
Clang accepts, but this is invalid: the [syntax for deduction guides](https://eel.is/c++draft/temp.deduct.guide) does not allow parentheses around the *template-name*.
While GCC accepts this, other implementations (EDG, MSVC) do not, so it would probably make sense for clang to also reject.
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