Re: Compiler Bugs, please!

Toon Moene <toon@moene.indiv.nluug.nl>
24 Dec 2001 00:09:16 -0500

          From comp.compilers
Related articles
Compiler Bugs, please! liekweg@ipd.info.uni-karlsruhe.de (F. Liekweg) (2001-12-20)
Re: Compiler Bugs, please! loewis@informatik.hu-berlin.de (Martin von Loewis) (2001-12-22)
Re: Compiler Bugs, please! fjh@cs.mu.OZ.AU (2001-12-24)
Re: Compiler Bugs, please! toon@moene.indiv.nluug.nl (Toon Moene) (2001-12-24)
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From: Toon Moene <toon@moene.indiv.nluug.nl>
Newsgroups: comp.compilers
Date: 24 Dec 2001 00:09:16 -0500
Organization: Moene Computational Physics, Maartensdijk, The Netherlands
References: 01-12-093
Keywords: errors
Posted-Date: 24 Dec 2001 00:09:16 EST

"F. Liekweg" wrote:


> I am interested in learning about compiler bugs. The 'My compiler
> crashes when trying to do [...] feature' kind of thing is probably
> known to everybody; but what about the more obscure kind, like the
> FORTRAN [ ... ] compilers which allowed one to assign a value to a
> constant.


Hmmm, if you're refering to the following case:


            CALL SUB(1)
            END
            SUBROUTINE SUB(I)
            I = 2
            END


I'm afraid I can't see the "compiler bug".


This is simply a programmer fallacy. Please read the comp.lang.fortran
FAQ.
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
Join GNU Fortran 95: http://g95.sourceforge.net/ (under construction)
[There have been compilers that trapped that at runtime, or at least
mitigated the damage short of turning every 1 in the program into 2.
-John]


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