dir.c (dir_s_glob): RB_GC_GUARD instead of volatile

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Feb 16 14:52:46 2014  Eric Wong  <e@80x24.org>
+
+	* dir.c (dir_s_glob): RB_GC_GUARD instead of volatile
+
 Sun Feb 16 14:33:52 2014  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/ruby.h (RBIGNUM_SIGN): Defined for compatibility.

dir.c

@@ -1912,8 +1912,9 @@ dir_s_glob(int argc, VALUE *argv, VALUE obj)
 	ary = rb_push_glob(str, flags);
     }
     else {
-	volatile VALUE v = ary;
+	VALUE v = ary;
 	ary = dir_globs(RARRAY_LEN(v), RARRAY_CONST_PTR(v), flags);
+	RB_GC_GUARD(v);
     }
 
     if (rb_block_given_p()) {