[PATCH] D143109: [Sema] Push a LambdaScopeInfo before calling SubstDefaultArgument

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak added a comment.

Doesn't `Sema::FunctionScopeRAII` pop the lambda scope when it goes out of scope?

https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Sema/Sema.h#L5042

I also tried instantiating the default arguments after the call to `BuildLambdaExpr` using `LSICopy` (see https://github.com/llvm/llvm-project/blob/main/clang/lib/Sema/TreeTransform.h#L13477), which is the copy of the lambda scope, but I opted for the approach in this patch as using a dummy scope seemed sufficient.


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