https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63940
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- 32-bit x86 looks OK: https://gcc.gnu.org/ml/gcc-testresults/2014-11/msg02534.html https://gcc.gnu.org/ml/gcc-testresults/2014-11/msg02537.html