[MLIR] Drop assumption of a surrounding builtin.func in promoteIfSingleIteration#116323

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

bondhugula:uday/fix_promote_single_iter_crashbondhugula/llvm-project:uday/fix_promote_single_iter_crashCopy head branch name to clipboard