parallel-defclass crash

[Douglas Katzman]

Observed today on ppc64 at latest git revision:

::: Running (:PARALLEL DEFCLASS)
WARNING, WILL HANG ON FAILURE!

sleeping!
Unhandled TYPE-ERROR in thread #<THREAD "i" RUNNING {1005C5000C}>:
  The value
    0
  is not of type
    SB-PCL::CTOR

Backtrace for: #<THREAD "i" RUNNING {1005C5000C}>
0: ((FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN SB-PCL::INSTALL-OPTIMIZED-CONSTRUCTOR))
1: ((FLET "WITHOUT-INTERRUPTS-BODY-23" :IN SB-THREAD::CALL-WITH-RECURSIVE-LOCK))
2: (SB-THREAD::CALL-WITH-RECURSIVE-LOCK #<FUNCTION (FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN SB-PCL::INSTALL-OPTIMIZED-CONSTRUCTOR) {3FFFA91F08E6}> #<MUTEX "World Lock" owner: #<TH\
READ "i" RUNNING {1005C5000C}>> T NIL)
3: (SB-PCL::INSTALL-OPTIMIZED-CONSTRUCTOR 0)
4: ((LAMBDA (&REST SB-PCL::ARGS) :IN SB-PCL::INSTALL-INITIAL-CONSTRUCTOR))
5: ((LAMBDA NIL :IN "/home/snuglas/devel/sbcl/tests/threads.impure.lisp"))
6: ((FLET SB-UNIX::BODY :IN SB-THREAD::RUN))

[Douglas Katzman (dougk)]

exact same failure observed on arm64 today

[Douglas Katzman (dougk)]

and observed on ppc32 now