GCC 11.1 fixes

Florian Fischerrequested to merge
aj46ezos/emper:fix-simple-laws-test-gcc-11.1 into master

gcc 11.1 on my arch system complains aout to of our test:

  1. SimpleLawsTest: that the calls to free does not match the allocator function new[]
  2. LinkFutureTest: that the std::array buf used for reading is not initialized
Edited by Florian Fischer

Merge request reports