Merge pull request #414 in G/truffleruby from update-joni to master

* commit '608d890c9df9cf72c2c0cd6f7d7fa1cad041558e':
  Update Joni from 2.1.24 to 2.1.25
  Add a failing spec for the failure in Joni 2.1.24
  Update Joni from 2.1.16 to 2.1.24

Author: chrisseaton

CHANGELOG.md

@@ -14,6 +14,7 @@ Changes:
 * The supported version of Fedora is now 28, upgraded from 25.
 * The FFI gem has been updated from 1.9.18 to 1.9.25.
 * JCodings has been updated from 1.0.30 to 1.0.40.
+* Joni has been updated from 2.1.16 to 2.1.25.
 
 Performance
 

mx.truffleruby/suite.py

@@ -63,10 +63,10 @@
             "maven": {
                 "groupId": "org.jruby.joni",
                 "artifactId": "joni",
-                "version": "2.1.16"
+                "version": "2.1.25"
             },
-            "sha1": "b5c07f6aa52f93fe592dd9545b6b528e1a52c54d",
-            "sourceSha1": "ab3c291fa9aa4caee512b6624b4d2302d91a7230",
+            "sha1": "5dbb09787a9b8780737b71fbf942235ef59051b9",
+            "sourceSha1": "505a09064f6e2209616f38724f6d97d8d889aa92",
             "license": [
                 "MIT",              # Joni
             ],

spec/ruby/language/regexp/back-references_spec.rb

@@ -46,4 +46,8 @@
   it "resets nested \<n> backreference before match of outer subexpression" do
     /(a\1?){2}/.match("aaaa").to_a.should == ["aa", "a"]
   end
+
+  it "can match an optional quote, followed by content, followed by a matching quote, as the whole string" do
+    /^("|)(.*)\1$/.match('x').to_a.should == ["x", "", "x"]
+  end
 end