Unbound slot location bug

[Massimiliano Ghilardi]

Any news on this bug?

I'd say it is the minimal repro for the error that I reported to the 
list about loading stmx on abcl >= 1.8.0.

Regards,

Massimiliano Ghilardi

On 5/9/22 11:14, Pascal Costanza wrote:
> Hi,
>
> I’m running the Closer to MOP tests, and see at least one bug. (With 
> the limited time I have available, I can only do one bug at a time, 
> step by step, so there might be more.)
>
> Armed Bear Common Lisp 1.9.0
> Java 17.0.3 Azul Systems, Inc.
> OpenJDK 64-Bit Server VM
> Low-level initialization completed in 0.095 seconds.
> Startup completed in 0.469 seconds.
> Loading /Users/costanza/.abclrc completed in 3.554 seconds.
> Type ":help" for a list of available commands.
> CL-USER(1): (use-package :mop)
>
> (defclass my-effective-slot-definition 
> (standard-effective-slot-definition)
> ())
>
> (defclass my-class (standard-class)
> ())
>
> (defmethod validate-superclass
>         ((class my-class)
>           (superclass standard-class))
> t)
>
> (defmethod effective-slot-definition-class
>         ((class my-class) &rest initargs)
> (declare (ignore initargs))
> (find-class 'my-effective-slot-definition))
>
> (defclass my-object ()
> ((my-slot :allocation :class))
> (:metaclass my-class))
> T
> CL-USER(2): CL-USER(2): #<STANDARD-CLASS MY-EFFECTIVE-SLOT-DEFINITION 
> {731A05FD}>
> CL-USER(3): CL-USER(3): #<STANDARD-CLASS MY-CLASS {42C6245B}>
> CL-USER(4): CL-USER(4): #<STANDARD-METHOD VALIDATE-SUPERCLASS 
> (MY-CLASS STANDARD-CLASS) {4959790F}>
> CL-USER(5): CL-USER(5): #<STANDARD-METHOD 
> EFFECTIVE-SLOT-DEFINITION-CLASS (MY-CLASS) {2AAA2CBF}>
> CL-USER(6): CL-USER(6): #<THREAD "interpreter" {25793D3C}>: Debugger 
> invoked on condition of type UNBOUND-SLOT
> The slot LOCATION is unbound in the object 
> #<MY-EFFECTIVE-SLOT-DEFINITION {32EB5C37}>.
> Restarts:
> 0: TOP-LEVEL Return to top level.
> [1] CL-USER(7):
>
> Best,
> Pascal
>
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