http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50568
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> 2011-09-29 22:14:28 UTC --- HOST_WIDE_INT may not be 64bit on 32bit host. But long long is 64bit. I don't think it is correct to use HOST_WIDE_INT in lto.