------- Comment #7 from mmitchel at gcc dot gnu dot org 2005-10-31 04:12 ------- Leaving as P2.
I've seen reports of similar bitfield problems on a variety of problems. This kind of code doesn't show up much in scientific computing, but it does show up in network applications, operating-system kernels, etc. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22563