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Re: [g++] -O produces incorrect code

From: "Martin Schröder" <martin at oneiros dot de>
To: gcc-help at gcc dot gnu dot org
Date: Sun, 7 Oct 2007 23:43:39 +0200
Subject: Re: [g++] -O produces incorrect code
References: <68c491a60710070936s959354dlda887cc4e1dec87e@mail.gmail.com> <200710072154.37830.bartoschek@gmx.de>

2007/10/7, Christoph Bartoschek <bartoschek@gmx.de>:
> Generally one cannot help without the code. Where to get it?

svn checkout svn://scm.foundry.supelec.fr/svn/pdftex/trunk/source

build.sh will generate pdftex and pdftex.pool
Testing them requires a working TeX installation.
The file in question is src/texk/web2c/pdftexdir/pdftoepdf.cc

> Use #include <valgrind/memcheck.h> and check each value in the line with
>
> VALGRIND_CHECK_VALUE_IS_DEFINED(variable)
>
> Do this with each subexpression and follow the stack up to the declaration of
> the offending variable.

Will do.

Best
   Martin

Follow-Ups:
- Re: [g++] -O produces incorrect code
  - From: Christoph Bartoschek

References:
- [g++] -O produces incorrect code
  - From: Martin Schröder
- Re: [g++] -O produces incorrect code
  - From: Christoph Bartoschek

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