Le lundi 28 mars 2011 21:06:31 Matthias Klose, vous avez écrit : > severity 619963 important > thanks > > On 28.03.2011 19:10, Remi Denis-Courmont wrote: > > Package: gcc-4.6 > > Version: 4.6.0-1 > > Severity: grave > > Justification: renders package unusable > > does it?
It does not compile Debian's "own" source code base correctly on i386. What more do you need? > > Trying to compile VLC media player using Debian gcc-4.6. > > It turns out that the compiler is silently replacing memmove() calls > > with memcpy() ones, when it is clearly NOT a legal optimization. The > > issue was uncovered with valgrind. For instance, this one is failing, > > > > even though both source and destination obviously overlap: > > memmove( &p_aout->pp_inputs[i_input], &p_aout->pp_inputs[i_input + > > 1], > > > > (AOUT_MAX_INPUTS - i_input - 1) * sizeof(aout_input_t *) ); > > > > This results in memory corruption at run-time and eventually crashes. > > > > Compiler flags used were: -g -O2 -ffast-math -funroll-loops -fPIC > > I can provide the full .i file if needed. > > please could you provide a test case? I don't have that at hand, unless you count the entire VLC a test case. -- Rémi Denis-Courmont Looking for a job: http://www.remlab.info/ http://fi.linkedin.com/in/remidenis -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
