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parse.y: keep nodes linking

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* parse.y (remove_duplicate_keys): should keep nodes linking not
  to be collected.  [Bug #10315]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-10-13 00:40:32 +00:00
parent d5526c660d
commit 4a883ff9a8
1 changed files with 3 additions and 3 deletions
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6
parse.y
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@ -9601,6 +9601,9 @@ append_literal_keys(st_data_t k, st_data_t v, st_data_t h)
{
NODE *node = (NODE *)v;
NODE **result = (NODE **)h;
node->nd_alen = 2;
node->nd_next->nd_end = node->nd_next;
node->nd_next->nd_next = 0;
if (*result)
list_concat(*result, node);
else
@ -9619,9 +9622,6 @@ remove_duplicate_keys(struct parser_params *parser, NODE *hash)
NODE *next = value->nd_next;
VALUE key = (VALUE)head;
st_data_t data;
hash->nd_alen = 2;
value->nd_end = value;
value->nd_next = 0;
if (nd_type(head) == NODE_LIT &&
st_lookup(literal_keys, (key = head->nd_lit), &data)) {
rb_compile_warn(ruby_sourcefile, nd_line((NODE *)data),