alt/base_control_flow2_alt6.nit:21,1--25,3: Warning: use `loop` instead of `while true do`.
alt/base_control_flow2_alt6.nit:39,1--43,3: Warning: use `loop` instead of `while true do`.
alt/base_control_flow2_alt6.nit:47,2--51,4: Warning: use `loop` instead of `while true do`.
alt/base_control_flow2_alt6.nit:45,1--55,3: Warning: use `loop` instead of `while true do`.
alt/base_control_flow2_alt6.nit:60,2: Error: unreachable statement.