------- Comment #1 from rguenth at gcc dot gnu dot org 2007-02-16 11:29 ------- Try building with -fno-strict-aliasing and/or with -fwrapv. If this fixes it it is a bug in PHP. Also try 4.1.2 which was released a few days ago.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30819