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================
Comment at: clang/test/ParserHLSL/group_shared_202x.hlsl:5-6
+
+// expected-error@+1 {{return type cannot be qualified with address space}}
+auto l = []() -> groupshared void {};
+// expected-error@+1 {{expected a type}}
----------------
aaron.ballman wrote:
> One test I think we need in SemaCXX for this is what happens when the lambda 
> return type (or function return type) is deduced. e.g.,
> ```
> extern groupshared float f;
> 
> auto func() {
>   return f;
> }
> 
> void other() {
>   [&]() { return f; };
> }
> ```
> Does use of `return f` cause us to deduce a return type that's annotated with 
> `groupshared` or does that get stripped off thanks to lvalue to rvalue 
> conversions and so we deduce `float`?
groupshared is stripped because of lvalue to rvalue conversions.

And even hlsl202x not enable CXX14 :( .


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D135060/new/

https://reviews.llvm.org/D135060

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