[MacRuby] #1288: MacRuby displays "reference count underflow" message with rubyspec.

MacRuby ruby-noreply at macosforge.org
Fri May 20 20:47:45 PDT 2011


#1288: MacRuby displays "reference count underflow" message with rubyspec.
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  minor                 |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
----------------------------------+-----------------------------------------

Comment(by watson1978@…):

 In my environment, always displays message even if remove a
 "/Library/Frameworks/MacRuby.framework" and rebuild all.

 The message was not displayed by the following changes, but I do not know
 whether those changing are correctly.

 {{{
 #!diff
 diff --git a/vm.cpp b/vm.cpp
 index ffcb22d..ebec99b 100644
 --- a/vm.cpp
 +++ b/vm.cpp
 @@ -5619,8 +5619,10 @@ rb_vm_dln_load(void (*init_fct)(void), IMP
 __mrep__)
         }
         ~Finally() {
             vm->pop_outer();
 -           vm->replace_outer_stack(old_outer_stack);
 -           GC_RELEASE(old_outer_stack);
 +           if (old_outer_stack != NULL) {
 +               vm->replace_outer_stack(old_outer_stack);
 +               GC_RELEASE(old_outer_stack);
 +           }
             vm->set_current_class(old_class);
         }
      } finalizer(vm);
 @@ -5665,8 +5667,10 @@ rb_vm_load(const char *fname_str, int wrap)
         }
         ~Finally() {
             vm->pop_outer();
 -           vm->replace_outer_stack(old_outer_stack);
 -           GC_RELEASE(old_outer_stack);
 +           if (old_outer_stack != NULL) {
 +               vm->replace_outer_stack(old_outer_stack);
 +               GC_RELEASE(old_outer_stack);
 +           }
             vm->set_current_class(old_class);
         }
      } finalizer(vm);
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/1288#comment:2>
MacRuby <http://macruby.org/>



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