[clang] [clang-tools-extra] [clang] Do not cache variable linkage before type deduction (PR #221474)

[Chen Miao via cfe-commits]

https://github.com/ChenMiaoi commented:

This change looks good to me, though it still needs approval from someone with the appropriate permissions. 

Also, I’m not sure whether the CI failures are caused by this PR; could you take a look?

https://github.com/llvm/llvm-project/pull/221474