[mlir][affine] Fix crash in affine-loop-fusion by validating access relation IDs#152812

Baxi-codes wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

Baxi-codes:affine-access-relation-failure-fixBaxi-codes/llvm-project:affine-access-relation-failure-fixCopy head branch name to clipboard