------- Comment #2 from jakub at gcc dot gnu dot org 2010-04-07 16:49 ------- Ugh, apparently nothing clears TREE_ADDRESSABLE on x when not -g, only with -g (x really isn't addressable in the end). So, here -g generates better code than -g0.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43670
