[NFC][SpecialCaseList] Use BumpPtrAllocator to allocate patterns#162304

vitalybuka merged 8 commits intomainllvm/llvm-project:mainfrom

users/vitalybuka/spr/nfcspecialcaselist-use-bumpptrallocator-to-own-stringsllvm/llvm-project:users/vitalybuka/spr/nfcspecialcaselist-use-bumpptrallocator-to-own-stringsCopy head branch name to clipboard