xorg-server-1.11.4 fails to compile with -O3 given in cflags, with -O2 it compiles fine. like in the package doxygen there should be a temporary backswitch to -O2 so that the bogus wouldnt break a complete system rebuild via "emerge -evD world". Reproducible: Always Steps to Reproduce: 1.emerge -1v xorg-server with -O3 in cflags 2. 3. Actual Results: breaks with: /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c: In function 'handle_detailed_modes': /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:750:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:749:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:748:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:747:33: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:750:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:749:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:748:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:747:33: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:750:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:749:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:748:19: error: array subscript is above array bounds /var/tmp/portage/x11-base/xorg-server-1.11.4/work/xorg-server-1.11.4/hw/xfree86/modes/xf86EdidModes.c:747:33: error: array subscript is above array bounds make[4]: *** [xf86EdidModes.lo] Fehler 1 Expected Results: clean merge
Need full build.log and emerge --info attached. Also, -O3 is just a collection of optimizations and they are not even same between GCC releases, so you need to pinpoint the problem to a specific flag instead of a full optimization level. Reopen with the problematic flag revealed, and with the asked log & info.
*** This bug has been marked as a duplicate of bug 402285 ***