Fix alloc_mlir_array.

[azteca1998]

Checklist

• Linked to Github Issue
• Unit tests added
• Integration tests added.
• This change requires new documentation.
  • Documentation has been added/updated.

[github-actions]

Benchmarking results

Benchmark for program factorial_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	13.553 ± 0.033	13.502	13.603	31.04 ± 0.31
cairo-native (embedded AOT)	1.581 ± 0.026	1.539	1.627	3.62 ± 0.07
cairo-native (embedded JIT using LLVM's ORC Engine)	1.557 ± 0.024	1.521	1.593	3.57 ± 0.06
cairo-native (standalone AOT)	0.636 ± 0.001	0.634	0.638	1.46 ± 0.01
cairo-native (standalone AOT with -march=native)	0.437 ± 0.004	0.434	0.448	1.00

Benchmark for program fib_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	13.119 ± 0.067	13.035	13.229	1617.84 ± 19.51
cairo-native (embedded AOT)	1.080 ± 0.016	1.063	1.114	133.16 ± 2.50
cairo-native (embedded JIT using LLVM's ORC Engine)	1.112 ± 0.023	1.092	1.161	137.11 ± 3.19
cairo-native (standalone AOT)	0.008 ± 0.000	0.008	0.008	1.01 ± 0.02
cairo-native (standalone AOT with -march=native)	0.008 ± 0.000	0.008	0.008	1.00

Benchmark for program logistic_map

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	1.898 ± 0.013	1.881	1.926	27.91 ± 0.26
cairo-native (embedded AOT)	1.210 ± 0.013	1.190	1.227	17.79 ± 0.22
cairo-native (embedded JIT using LLVM's ORC Engine)	1.447 ± 0.017	1.429	1.474	21.29 ± 0.28
cairo-native (standalone AOT)	0.112 ± 0.001	0.112	0.114	1.65 ± 0.01
cairo-native (standalone AOT with -march=native)	0.068 ± 0.000	0.068	0.070	1.00

[juanbono]

Thanks!