tests/sav/base_label_closure3_alt6.sav

   1 alt/base_label_closure3_alt6.nit:47,6--13: Syntax error: label l1 already defined at 51,5--12.
   2 alt/base_label_closure3_alt6.nit:47,6--13: Syntax error: label l1 already defined at 51,5--12.