efriedma-quic wrote:
I suspect the handling for non-call-operator methods on lambdas isn't what we
want.
Defaulted special member functions are automatically immediate-escalating.
That implicitly everything except the lambdas's conversion operator, I think.
Probably the conversion operator should also be immediate-escalating. (I think
this is a gap in the standard: the standard says the function F is immediate if
the call operator is immediate, but it doesn't mention anything about the
conversion operator itself.)
Example:
```
auto a = []consteval{return 3;};
constexpr auto b = (+a)();
```
https://github.com/llvm/llvm-project/pull/232458
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