nobu	2014-03-31 23:38:38 +0900 (Mon, 31 Mar 2014)

  New Revision: 45487

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=45487

  Log:
    variable.c, vm_method.c: pin down
    
    * variable.c (rb_alias_variable): ensure pinned down.
    
    * vm_method.c (rb_method_entry_make): ditto.

  Modified files:
    trunk/variable.c
    trunk/vm_method.c
Index: variable.c
===================================================================
--- variable.c	(revision 45486)
+++ variable.c	(revision 45487)
@@ -873,6 +873,7 @@ rb_alias_variable(ID name1, ID name2) https://github.com/ruby/ruby/blob/trunk/variable.c#L873
 
     entry2 = rb_global_entry(name2);
     if (!st_lookup(rb_global_tbl, (st_data_t)name1, &data1)) {
+	name1 = SYM2ID(ID2SYM(name1));
 	entry1 = ALLOC(struct global_entry);
 	entry1->id = name1;
 	st_add_direct(rb_global_tbl, name1, (st_data_t)entry1);
Index: vm_method.c
===================================================================
--- vm_method.c	(revision 45486)
+++ vm_method.c	(revision 45487)
@@ -333,6 +333,8 @@ rb_method_entry_make(VALUE klass, ID mid https://github.com/ruby/ruby/blob/trunk/vm_method.c#L333
 	rb_unlink_method_entry(old_me);
     }
 
+    mid = SYM2ID(ID2SYM(mid));
+
     me = ALLOC(rb_method_entry_t);
 
     rb_clear_method_cache_by_class(klass);

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