[PATCH] D78655: [CUDA][HIP] Let non-caputuring lambda be host device

[Yaxun Liu via Phabricator via cfe-commits]

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In D78655#2107016 <https://reviews.llvm.org/D78655#2107016>, @tra wrote:

> In D78655#2105058 <https://reviews.llvm.org/D78655#2105058>, @yaxunl wrote:
>
> > - lambdas with any lambda-capture (which must therefore have an enclosing function) inherit the enclosing function's HDness.
>
>
> Nit: *any* capture does not necessarily imply existence of the enclosing function. One can explicitly capture variables in the global scope. E.g.:
>
>   int x;
>   auto l = [x=x](){ return x;};
>


It seems we can only promote non-capturing lambdas, no matter whether it has enclosing function or not.


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