See: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28863 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28659 This bug is fixed on gcc mainline, not present on gcc 4.1-branch, requires backport for gcc in Fedora. Patch is already attached to gcc pr 28859.
*** Bug 204035 has been marked as a duplicate of this bug. ***
Should be fixed in gcc-4.1.1-20.