Hi, I seem to have messed up my mail accounts and this list seems only to accept submissions from members, so here what I wrote to Anthony before.
The cause is using link time optimization (-flto) as optimization with gcc. With it, the pattern is as I described, without it, everything works fine. Markus -- Aoccdrnig to a threoy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer are in the rghit pclae. The rset can be a taotl mses and you can sitll raed it in msot csaes. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. And I awlyas thought slpeling was ipmorantt.