nobu	2017-12-16 09:03:51 +0900 (Sat, 16 Dec 2017)

  New Revision: 61289

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61289

  Log:
    string.c: suppress warning
    
    * string.c (str_undump): suppress maybe-uninitialized warning by
      gcc 7 and later.

  Modified files:
    trunk/string.c
Index: string.c
===================================================================
--- string.c	(revision 61288)
+++ string.c	(revision 61289)
@@ -6277,7 +6277,7 @@ str_undump(VALUE str) https://github.com/ruby/ruby/blob/trunk/string.c#L6277
     const char *s = RSTRING_PTR(str);
     const char *s_end = RSTRING_END(str);
     long len = RSTRING_LEN(str);
-    rb_encoding *enc = rb_enc_get(str), *forced_enc;
+    rb_encoding *enc = rb_enc_get(str), *forced_enc = NULL;
     int n;
     unsigned int c;
     enum undump_source_format source_format;

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