http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58472
--- Comment #8 from vincenzo Innocente <vincenzo.innocente at cern dot ch> --- Yes I compile gcc with -O2 -ftree-vectorize on linux I also do bootstrap-lto strange that the compiler does not warn about this uninitialized variable: it does for a couple of others that force me to compile with -disable-werror
