| Issue |
129631
|
| Summary |
[clang] the "cleanup" attribute prevents type deduction
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
shynur
|
```cpp
/* a.cpp */
int open() { return 0; }
void close(decltype(open()) *) {}
int main() {
auto fd [[gnu::cleanup(close)]] = open();
}
```
```bash
$ clang-21 a.cpp
a.cpp:4:26: error: 'cleanup' function 'close' parameter has type 'decltype(open()) *' (aka 'int *') which is incompatible with type 'auto *'
4 | auto fd [[gnu::cleanup(close)]] = open();
| ^
1 error generated.
```
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