http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58677
--- Comment #1 from Mikael Pettersson <mikpelinux at gmail dot com> --- Started with r202525 (PR58404 missed-optimization fix), stopped with r203315 (PR58570 wrong-code fix). The cause of PR58570 was not r202525. Can you check if the original testcase works on current trunk?
