InstCombine swaps inbounds geps originating OOB pointer #55722

%struct.A = type { [123 x i8], i32 }

define ptr @struct2(ptr %p) {
  %1 = getelementptr inbounds %struct.A, ptr %p, i64 0, i32 1
  %2 = getelementptr inbounds i8, ptr %1, i64 -128
  ret ptr %2
}

define nonnull ptr @struct2(ptr readnone %p) {
  %1 = getelementptr inbounds %struct.A, ptr %p, i64 -1, i32 1
  ret ptr %1
}