nofree.c: Bug::String.nofree

* ext/-test-/string/nofree.c: new method for test of r50334.
  [ruby-core:68436] [Bug #10942]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50337 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/-test-/string/nofree.c

@@ -0,0 +1,13 @@
+#include "ruby.h"
+
+VALUE
+bug_str_nofree(VALUE self)
+{
+    return rb_str_new_cstr("abcdef");
+}
+
+void
+Init_nofree(VALUE klass)
+{
+    rb_define_singleton_method(klass, "nofree", bug_str_nofree, 0);
+}