[Sbcl-devel] BUG: unknown SC to SC-CASE for TN: DESCRIPTOR-REG

[Eric M. <eri...@fr...>]

Hi,

The following error occurs on Sparc64/Linux:

,----
| * (lisp-implementation-version)
| "1.0.52.45-5d9de0a-dirty"
| * (funcall
|    (compile nil
|             (lambda (p1)
|               (declare (optimize (speed 0) (space 0)))
|               (scale-float (the (member 1.0 2.0) p1) 2)))
|    1.0)
| debugger invoked on a SIMPLE-ERROR:
|   unknown SC to SC-CASE for #<SB-C:TN t1[A0]>: SB-VM::DESCRIPTOR-REG
| ((LAMBDA (SB-VM::VOP))
|  #<SB-C::VOP
|    :INFO SB-KERNEL:SINGLE-FLOAT-BITS
|    :ARGS #<SB-C:TN-REF
|            :TN #<SB-C:TN SB-KERNEL::X!2[CS5]>
|            :WRITE-P NIL
|            :VOP SB-KERNEL:SINGLE-FLOAT-BITS>
|    :RESULTS #<SB-C:TN-REF
|               :TN #<SB-C:TN t3[NS1]>
|               :WRITE-P T
|               :VOP SB-KERNEL:SINGLE-FLOAT-BITS>>)
`----

-- 
Eric Marsden