The test case started failing with r189790: http://gcc.gnu.org/ml/gcc-cvs/2012-07/msg00695.html
That patch merely enabled insn splitting at -O0, so I suspect it exposed a latent problem in the back-end, consistent with Måns' analysis.
The test case started failing with r189790: gcc.gnu. org/ml/ gcc-cvs/ 2012-07/ msg00695. html
http://
That patch merely enabled insn splitting at -O0, so I suspect it exposed a latent problem in the back-end, consistent with Måns' analysis.