[MLIR] Fix SCF loop specialization (peeling) to work on scf.for with non-index type (#158707) The current code would crash with integer. This is visible on this modified example (the original with index was incorrect) GitOrigin-RevId: fba26bc1a5cf7cf367474965c144659f62588e7d
See https://mlir.llvm.org/ for more information.