zygoloid wrote:
> > Does this work for function-scope operator declarations?
>
> @zygoloid I am not sure I follow. Could you please give an example.
Sure:
```c++
struct X { operator int(); };
bool f(X x) {
bool operator==(X, int);
return x == x;
}
bool g(X x) {
bool operator==(X, int);
bool operator!=(X, int);
return x == x;
}
bool operator!=(X, int);
bool h(X x) {
bool operator==(X, int);
return x == x;
}
bool i(X x) {
bool operator==(X, int);
bool operator!=(X, int);
return x == x;
}
```
Based on the standard's rules, it looks like `f` and `g` should be invalid due
to ambiguity, but `h` and `i` should be valid. (Which I think is a pretty
surprising outcome, but that's what the rules say.)
If there's not already something like that in our test suite, it'd be good to
add it.
https://github.com/llvm/llvm-project/pull/68922
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