Bug#318959: gcc-4.0: compiles broken code

[Matthias Klose <doko@cs.tu-berlin.de>]

reassign 318959 libc6
thanks

looks like this only happens, when lround from libm is used.

Thorsten Jordan writes:
> Package: gcc-4.0
> Version: 4.0.1-2
> Severity: grave
> Justification: renders package unusable
> 
> 
> gcc-4.0 generates code that gives false results for this
> tiny program:
> 
> #include <stdio.h>
> #include <math.h>
> int main()
> {
> volatile double a = 1.04837e+06, b = 1.04866e+06;
> printf("%li %li\n", lround(a), lround(b));
> return 0;
> }
> 
> compilation with -O1 or -O2 gives wrong results for
> lround(b), although the number would fit the long
> variable obviously.
> 
> 
> 
> -- System Information:
> Debian Release: testing/unstable
>   APT prefers unstable
>   APT policy: (500, 'unstable')
> Architecture: i386 (i686)
> Shell:  /bin/sh linked to /bin/bash
> Kernel: Linux 2.6.12
> Locale: LANG=de_DE, LC_CTYPE=de_DE (charmap=ISO-8859-1)
> 
> Versions of packages gcc-4.0 depends on:
> ii  binutils                    2.16.1-2     The GNU assembler, linker
> and bina
> ii  cpp-4.0                     4.0.1-2      The GNU C preprocessor
> ii  gcc-4.0-base                4.0.1-2      The GNU Compiler Collection
> (base
> ii  libc6                       2.3.2.ds1-22 GNU C Library: Shared
> libraries an
> ii  libgcc1                     1:4.0.1-2    GCC support library
> 
> Versions of packages gcc-4.0 recommends:
> ii  libc6-dev                   2.3.2.ds1-22 GNU C Library: Development
> Librari
> ii  libmudflap0-dev             4.0.1-2      GCC mudflap support
> libraries (dev
> 
> -- no debconf information
> 
> 
> 
> -- 
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