Some jumps are not evaluated
I some cases, it seems that somes instructions are not evaluated. In the following test break-binding.tig, the first
break at line 8 should break the while loop at line 3. This is the behaviour of the ref, except at TC-5, where an infinite print loop happens with havm. However, the generated hir seems to be correct break-binding.hir, but havm does not evaluate the jump at line 23.