Hello

On linux/x86, I'm getting stack traces with ("no debug information for frame") for certain operations when given parameters of the wrong type. I've tried to reproduce it and it seems to happen with (at least) the following operators: <, >, = and /=. Strangely enough, <= and >= do the right thing.
When these operators are called from within a function, its stack frame information appears to be lost, so there's no way to find the exact line that causes the error.
I've searched the bug database and haven't been able to find this reported and it has been happeing since at least 1.0.40 or so, so I'm bringing it yo your attention. I apologize beforehand if this is just some mistake or misunderstanding on my part, since I'm a CL newbie and not professionally into programming right now, so I'm just learning Lisp for the fun of it.

Cheers,
X


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CL-USER> (lisp-implementation-version)
"1.0.45"
CL-USER> (declaim (optimize (debug 3) (speed 0)))

; No value
CL-USER> (defun greater (a b) (> a b))
GREATER
CL-USER> (greater 1 nil)

Argument Y is not a REAL: NIL
   [Condition of type SIMPLE-TYPE-ERROR]

Restarts:
 0: [RETRY] Retry SLIME REPL evaluation request.
 1: [*ABORT] Return to SLIME's top level.
 2: [TERMINATE-THREAD] Terminate this thread (#<THREAD "repl-thread" RUNNING {B169D71}>)

Backtrace:
  0: (SB-KERNEL:TWO-ARG-> 1 NIL)
  1: ("no debug information for frame")
  2: (SB-INT:SIMPLE-EVAL-IN-LEXENV (GREATER 1 NIL) #<NULL-LEXENV>)
 --more--

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CL-USER> (defun greater2 (a b) (>= a b))
GREATER2
CL-USER> (greater2 1 nil)

The value NIL is not of type REAL.
   [Condition of type TYPE-ERROR]

Restarts:
 0: [RETRY] Retry SLIME REPL evaluation request.
 1: [*ABORT] Return to SLIME's top level.
 2: [TERMINATE-THREAD] Terminate this thread (#<THREAD "repl-thread" RUNNING {B169D71}>)

Backtrace:
  0: (GREATER2 1 NIL)
  1: (SB-INT:SIMPLE-EVAL-IN-LEXENV (GREATER2 1 NIL) #<NULL-LEXENV>)
 --more--

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