| Issue |
123369
|
| Summary |
Offset of captures-by-copy is not observable
|
| Labels |
c++,
clang:frontend,
rejects-valid,
lambda
|
| Assignees |
|
| Reporter |
Endilll
|
Consider the following example, courtesy of @erichkeane (https://godbolt.org/z/Tz7arYjvn):
```cpp
int x;
auto lam = [x](auto lam2){ return offsetof(decltype(lam2), x); };
return lam(lam);
```
This is arguably well-formed, because `x` refers to unnamed non-static data member of the lambda per https://eel.is/c++draft/expr.prim.lambda#capture-6.1.
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