[PATCH] D150505: [cmake] Disable GCC lifetime DSE

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D150505#4349380 <https://reviews.llvm.org/D150505#4349380>, @Dinistro wrote:

> It seems this change lets us no longer build LLVM with GCC and then run clang-tidy on it.
> In our specific case, we have a downstream project that relies on `HandleLLVMOptions`, and we run the built clang-tidy on our project.
>
> Is there a possible workaround apart from using Clang to compile?

Sorry, but I think your project is responsible for removing `-fno-lifetime-dse`. It's not Clang's responsibility to parse and ignore every option GCC supports.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D150505/new/

https://reviews.llvm.org/D150505