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? > 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? thanks, Matthias -- To UNSUBSCRIBE, email to debian-gcc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4d90ce27.3050...@debian.org
