http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53433
--- Comment #7 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-05-22 13:42:17 UTC --- mine is a one-year-old libc GNU C Library stable release version 2.13, by Roland McGrath et al. …. Compiled by GNU CC version 4.6.1 20110520 (prerelease). Compiled on a Linux 2.6.32 system on 2011-05-30.