non-symbol keys in kwargs

* class.c (separate_symbol): [EXPERIMENTAL] non-symbol key in keyword
  arguments hash causes an exception now.
  c.f. https://twitter.com/yukihiro_matz/status/1022287578995646464

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64358 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index ca8adc97d5..e05c7fa8ba 100644
--- a/NEWS
+++ b/NEWS
@@ -29,6 +29,8 @@ with all sufficient information, see the ChangeLog file or Redmine
     (1..).each {|index| ... }           # infinite loop from index 1
     ary.zip(1..) {|elem, index| ... }   # ary.each.with_index(1) { }
 
+* Non-Symbol key in keyword arguments hash causes an exception.
+
 === Core classes updates (outstanding ones only)
 
 * Array