Execution of "sprand(5e4,5e4,5e-4)>0.5" yields a Freeze or Crash

[rdbyk]

cf. here, reported 7 years ago and tagged with
Critcial and Fix_me_for_Scilab_6.x ... 👎 👎 👎

In a case of a crash ...

Call stack:
   1: 0x36c37  <gsignal>                        (/lib/x86_64-linux-gnu/libc.so.6)
   2: 0x3a028  <abort>                          (/lib/x86_64-linux-gnu/libc.so.6)
   3: 0x60535  <__gnu_cxx::__verbose_terminate_handler()> (/usr/lib/x86_64-linux-gnu/libstdc++.so.6)
   4: 0x5e6d6  < >                              (/usr/lib/x86_64-linux-gnu/libstdc++.so.6)
   5: 0x5e703  < >                              (/usr/lib/x86_64-linux-gnu/libstdc++.so.6)
   6: 0x5e922  < >                              (/usr/lib/x86_64-linux-gnu/libstdc++.so.6)
   7: 0xb03a7  <std::__throw_length_error(char const*)> (/usr/lib/x86_64-linux-gnu/libstdc++.so.6)
   8: 0x476c07 < >                              (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
   9: 0x471093 <types::Sparse::newLessThan(types::Sparse&)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  10: 0x2b4fe4 <SparseLessSparse(types::Sparse*, types::Sparse*, types::SparseBool**)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  11: 0x2b5069 <DoubleLessSparse(types::Double*, types::Sparse*, types::SparseBool**)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  12: 0x2b6d39 <GenericLess(types::InternalType*, types::InternalType*)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  13: 0x1944cb <ast::RunVisitorT<ast::ExecVisitor>::visitprivate(ast::OpExp const&)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  14: 0x1c6edd <ast::RunVisitorT<ast::ExecVisitor>::visitprivate(ast::SeqExp const&)> (/home/dirk/Downloads/balisc/scilab/modules/ast/.libs/libsciast.so.6)
  15: 0x1c6be6 <StaticRunner::launch()>         (/home/dirk/Downloads/balisc/scilab/modules/.libs/libscilab-cli.so.6)
  16: 0x1c06b2 <RunScilabEngine>                (/home/dirk/Downloads/balisc/scilab/modules/.libs/libscilab-cli.so.6)
  17: 0x21db   <main>                           (/home/dirk/Downloads/balisc/scilab/.libs/lt-scilab-bin)
  18: 0x21f45  <__libc_start_main>              (/lib/x86_64-linux-gnu/libc.so.6)
  19: 0x292f   < >                              (/home/dirk/Downloads/balisc/scilab/.libs/lt-scilab-bin)
End of stack