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add NEWS entry about --debug=frozen-string-literal

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ko1 2015-11-25 07:39:14 +00:00
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5
NEWS
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@ -17,6 +17,11 @@ with all sufficient information, see the ChangeLog file.
* new pragma, frozen-string-literal has been experimentally introduced.
* besides, --enable/--disable=frozen-string-literal options also have
been introduced.
* command line option --debug or --debug=frozen-string-literal enable
additional debugging mode which shows created location with at frozen
object error (RuntimeError) even if string is dynamically created string
literal (for static string literals shows locations as default).
[Feature #11725]
* safe navigation operator: