fix principal length check

[chenyan-dfinity]

No description provided.

[github-actions]

Name	Max Mem (Kb)	Encode	Decode
blob	4_224	20_458_812 ($\textcolor{green}{-0.00\%}$)	12_083_520
btreemap	75_456	4_814_024_078 ($\textcolor{red}{0.00\%}$)	15_380_030_621
nns	192	2_172_522 ($\textcolor{red}{1.27\%}$)	12_208_454 ($\textcolor{red}{0.12\%}$)
nns_list_proposal	1_920	6_634_555 ($\textcolor{red}{0.61\%}$)	182_353_563 ($\textcolor{green}{-0.02\%}$)
option_list	576	7_436_043 ($\textcolor{green}{-0.00\%}$)	31_705_099
text	6_336	28_844_735 ($\textcolor{green}{-0.00\%}$)	17_839_178
variant_list	128	7_431_973 ($\textcolor{red}{0.00\%}$)	23_873_932
vec_int16	16_704	168_581_831 ($\textcolor{green}{-0.00\%}$)	1_031_829_277

• Parser cost: 18_351_038
• Extra args: 3_361_343 ($\textcolor{red}{0.39\%}$)

Click to see raw report

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Benchmark: blob
  total:
    instructions: 32.54 M (-0.00%) (change within noise threshold)
    heap_increase: 66 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 20.46 M (-0.00%) (change within noise threshold)
    heap_increase: 66 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 12.08 M (no change)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

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Benchmark: text
  total:
    instructions: 46.69 M (-0.00%) (change within noise threshold)
    heap_increase: 99 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 28.84 M (-0.00%) (change within noise threshold)
    heap_increase: 99 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 17.84 M (no change)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

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Benchmark: vec_int16
  total:
    instructions: 1.20 B (-0.00%) (change within noise threshold)
    heap_increase: 261 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 168.58 M (-0.00%) (change within noise threshold)
    heap_increase: 261 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 1.03 B (no change)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

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Benchmark: btreemap
  total:
    instructions: 20.19 B (0.00%) (change within noise threshold)
    heap_increase: 1179 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 4.81 B (0.00%) (change within noise threshold)
    heap_increase: 257 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 15.38 B (no change)
    heap_increase: 922 pages (no change)
    stable_memory_increase: 0 pages (no change)

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Benchmark: option_list
  total:
    instructions: 39.14 M (-0.00%) (change within noise threshold)
    heap_increase: 9 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 7.44 M (-0.00%) (change within noise threshold)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 31.71 M (no change)
    heap_increase: 9 pages (no change)
    stable_memory_increase: 0 pages (no change)

---------------------------------------------------

Benchmark: variant_list
  total:
    instructions: 31.31 M (0.00%) (change within noise threshold)
    heap_increase: 2 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 7.43 M (0.00%) (change within noise threshold)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 23.87 M (no change)
    heap_increase: 2 pages (no change)
    stable_memory_increase: 0 pages (no change)

---------------------------------------------------

Benchmark: nns
  total:
    instructions: 33.48 M (0.13%) (change within noise threshold)
    heap_increase: 3 pages (no change)
    stable_memory_increase: 0 pages (no change)

  0. Parsing (scope):
    instructions: 18.35 M (no change)
    heap_increase: 3 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 2.17 M (1.27%) (change within noise threshold)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 12.21 M (0.12%) (change within noise threshold)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

---------------------------------------------------

Benchmark: nns_list_proposal
  total:
    instructions: 188.99 M (0.00%) (change within noise threshold)
    heap_increase: 30 pages (no change)
    stable_memory_increase: 0 pages (no change)

  1. Encoding (scope):
    instructions: 6.63 M (0.61%) (change within noise threshold)
    heap_increase: 5 pages (no change)
    stable_memory_increase: 0 pages (no change)

  2. Decoding (scope):
    instructions: 182.35 M (-0.02%) (change within noise threshold)
    heap_increase: 25 pages (no change)
    stable_memory_increase: 0 pages (no change)

---------------------------------------------------

Benchmark: extra_args
  total:
    instructions: 3.36 M (0.39%) (change within noise threshold)
    heap_increase: 0 pages (no change)
    stable_memory_increase: 0 pages (no change)

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Successfully persisted results to canbench_results.yml