kadircet added a comment.

In D150254#4331738 <https://reviews.llvm.org/D150254#4331738>, @njames93 wrote:

> In D150254#4331640 <https://reviews.llvm.org/D150254#4331640>, @kadircet 
> wrote:
>
>> see 
>> https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/ClangTidy.cpp#L638
>>  for such a pattern, clangd also initializes checks with a similar approach.
>
> In this example the factory outlives the check so there is no possible use 
> after free.

Sorry you're right, I thought checks created in 
https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/ClangTidy.cpp#L660
 would become part of the return value, but instead they're dropped on the 
floor.
but nevertheless, clangd has this pattern in 
https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clangd/ParsedAST.cpp#L479.
 I am happy to change the pattern in clangd as well, but I don't think there's 
anything requiring users to keep the "factory" around in the contract.

> In regard to this change, I think that this member can actually be removed 
> entirely as we can get the name of the check using the `getID` virtual 
> function.

made it protected and used it instead.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150254/new/

https://reviews.llvm.org/D150254

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