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From: Georg Bauhaus <sb463ba@d2-hrz.uni-duisburg.de>
Newsgroups: comp.lang.ada
Subject: Re: proposal for new assignment operators
Date: Fri, 27 Jun 2003 13:21:48 +0000 (UTC)
Organization: GMUGHDU
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Stephen Leake <Stephe.Leake@nasa.gov> wrote:
:> : 
:> : procedure Georg
:> : is
:> : begin
:> :   case a*(%$%) is
:> :      when o.O          => A :=+ ('o');
:> :      when (8-v)|12#8B# => OM(O.%/%(0,-0));
:> :      when 2!2:0:..2:1: => null;
:> :      when others       => << oO >> O.oo (O.o>o.O);
:> :   end case;
:> : end Georg;
:> : 
:> : I get a GNAT bug with GNAT 3.16a - congratulations :). I don't think
:> : I'll submit it.
:> 
:> What kind of bug do you get? 
: 
: +===========================GNAT BUG DETECTED==============================+
: | 3.16a (20030120) (i586-pc-mingw32msv) Program_Error EXCEPTION_ACCESS_VIOLATION|
: 
: As far as I am concerned, there is only one "kind" of bug in the
: compiler (a bad one :).

:)

:> The GCC 3.1 compiler (1173) for Mac, when run with your changes, produces a
:> segmentation fault, 
: 
: I gather you do not get this "GNAT BUG box"? Exactly how is the
: "segmentation fault" reported? I hope it is in the form of an
: unhandled Program_Error exception!

No, just
Segmentation fault

However,
GNAT 3.3
Copyright 1992-2002 Free Software Foundation, Inc.

Compiling: georg.adb (source file time stamp: 2003-06-27 12:22:02)

     4.    case a*(%$%) is
                |
        >>> "a" is undefined

 11 lines: 1 error

runs fine.

Georg