[llvm-branch-commits] [llvm] [NFCI] Avoid adding duplicated SpecialCaseList::Sections. (PR #140821)

[Qinkun Bao via llvm-branch-commits]

qinkunbao wrote:

Discussed with @vitalybuka offline. It turns out that Section name can be a regular expression so the order of Section needs to be tacked (with a vector). 

https://github.com/llvm/llvm-project/pull/140821