[mlir][arith] --convert-arith-to-llvm miscompiles arith.ceildivsi #89382
Description
The following code computes ceildivsi -128, 7, with an expected result of -18.
However, --convert-arith-to-llvm produces an incorrect output of 18.
Reproduction: https://godbolt.org/z/cWf96T8v3