[ADT] Add const to operator== in ArrayRef.h#161321

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_20250929_ADT_SmallVector_ArrayRef_operator_eqkazutakahirata/llvm-project:cleanup_20250929_ADT_SmallVector_ArrayRef_operator_eqCopy head branch name to clipboard