parse.y: eliminate empty hashes

* parse.y (assocs, assoc): eliminate splatting empty literal
  hashes.  [ruby-core:67446] [Bug #10719]
* compile.c (compile_array_): supprt splatted hash in hash type.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 4 deletions

diff --git a/compile.c b/compile.c
index d69dab6f4b..b573168b85 100644
--- a/compile.c
+++ b/compile.c
@@ -2467,11 +2467,14 @@ compile_array_(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE* node_root,
 		    rb_bug("compile_array: This node is not NODE_ARRAY, but %s", ruby_node_name(nd_type(node)));
 		}
 
-		if (type == COMPILE_ARRAY_TYPE_HASH && !node->nd_head) {
-		    opt_p = 0;
+		if (type != COMPILE_ARRAY_TYPE_ARRAY && !node->nd_head) {
 		    kw = node->nd_next;
-		    node = kw->nd_next;
-		    kw = kw->nd_head;
+		    node = 0;
+		    if (kw) {
+			opt_p = 0;
+			node = kw->nd_next;
+			kw = kw->nd_head;
+		    }
 		    break;
 		}
 		if (opt_p && nd_type(node->nd_head) != NODE_LIT) {