yy_stack_print   4406 ext/ripper/ripper.c yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
yy_stack_print    699 ext/syck/gram.c yy_stack_print (short int *bottom, short int *top)
yy_stack_print   4406 parse.c        yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)