* compile.c (iseq_compile_each): validate argument expr of "next"

  statement.
* bootstraptest/test_syntax.rb: add a test.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index 9509af073a..f6545d56d8 100644
--- a/compile.c
+++ b/compile.c
@@ -3044,6 +3044,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 	    LABEL *splabel = NEW_LABEL(0);
 	    debugs("next in while loop\n");
 	    ADD_LABEL(ret, splabel);
+	    COMPILE(ret, "next val/valid syntax?", node->nd_stts);
 	    add_ensure_iseq(ret, iseq);
 	    ADD_ADJUST(ret, nd_line(node), iseq->compile_data->redo_label);
 	    ADD_INSNL(ret, nd_line(node), jump, iseq->compile_data->start_label);