nobu	2015-08-05 14:40:17 +0900 (Wed, 05 Aug 2015)

  New Revision: 51489

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51489

  Log:
    transcode.c: GC guards
    
    * transcode.c (econv_init): add guards to prevent source encoding
      name and destination encoding name from GC.

  Modified files:
    trunk/transcode.c
Index: transcode.c
===================================================================
--- transcode.c	(revision 51488)
+++ transcode.c	(revision 51489)
@@ -3391,7 +3391,10 @@ econv_init(int argc, VALUE *argv, VALUE https://github.com/ruby/ruby/blob/trunk/transcode.c#L3391
     }
 
     if (!ec) {
-        rb_exc_raise(rb_econv_open_exc(sname, dname, ecflags));
+	VALUE exc = rb_econv_open_exc(sname, dname, ecflags);
+	RB_GC_GUARD(snamev);
+	RB_GC_GUARD(dnamev);
+	rb_exc_raise(exc);
     }
 
     if (!DECORATOR_P(sname, dname)) {
@@ -3399,6 +3402,8 @@ econv_init(int argc, VALUE *argv, VALUE https://github.com/ruby/ruby/blob/trunk/transcode.c#L3402
             senc = make_dummy_encoding(sname);
         if (!denc)
             denc = make_dummy_encoding(dname);
+	RB_GC_GUARD(snamev);
+	RB_GC_GUARD(dnamev);
     }
 
     ec->source_encoding = senc;

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