cor3ntin added a comment.

In D146535#4210198 <https://reviews.llvm.org/D146535#4210198>, @eandrews wrote:

>> Attributes of lambda call operator were evaluated in the context of the 
>> closure object type rather than its operator,
>
> Just for my understanding, what did this affect with regards to the if guard 
> for assert? CurContext or something else? I suspected it had something to do 
> with contexts being incorrect but I wasn't familiar enough with the code to 
> pinpoint where/what exactly.

Exactly `CurContext`. For the purpose of mangling lambda the context needs to 
be the parent of the lambda class, so `!CurLSI->Lambda->Encloses(CurContext)` - 
which check that we are actually in the lambda - was (incorrectly) true.

Note that you are right about the assert being fishy to begin with but that's a 
preexisting thing and i can't quite convince myself than removing it entirely 
wouldn't break something. That we were in the wrong context is something i 
broke :(


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146535/new/

https://reviews.llvm.org/D146535

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