http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447
--- Comment #20 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Matthijs Kooijman from comment #19) > Regarding the bug description that says "4.7 regression", I have also > observed this bug on avr-gcc 4.3.3, so it's not a regression introduced in > 4.7. That is just because no compilers older than 4.7.0 are supported any longer. The [... Regression] markers only show list of still affected supported compiler versions, if it is a regression from any of the older compilers.