syck_merge_i      604 ext/syck/rubyext.c                             rb_block_call( tmp, s_each, 0, 0, syck_merge_i, dup );
syck_merge_i     1010 ext/syck/rubyext.c                             rb_block_call( v, s_each, 0, 0, syck_merge_i, dup );