marshal.c: GC guard

* marshal.c (w_object, marshal_dump, r_object0, marshal_load): use
  RB_GC_GUARD() (directly or indirectly) instead of volatile.
* variable.c (rb_path_to_class): prevent the arguemnt from GC.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/variable.c b/variable.c
index ebe532f28a..6bd447b46c 100644
--- a/variable.c
+++ b/variable.c
@@ -354,6 +354,7 @@ rb_path_to_class(VALUE pathname)
 	    rb_raise(rb_eTypeError, "%s does not refer to class/module", path);
 	}
     }
+    RB_GC_GUARD(pathname);
 
     return c;
 }