bench: Add internal jumpdests section load benchmarks

[chfast]

[codecov[bot]]

Codecov Report

Merging #369 (d0ddeb3) into master (25b0b19) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #369   +/-   ##
=======================================
  Coverage   99.76%   99.76%           
=======================================
  Files          30       30           
  Lines        4198     4198           
=======================================
  Hits         4188     4188           
  Misses         10       10           

Flag	Coverage Δ
consensus	91.55% <ø> (ø)
unittests	99.76% <ø> (ø)

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