http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55792
--- Comment #32 from H.J. Lu <hjl.tools at gmail dot com> 2013-01-10 19:36:08 UTC --- (In reply to comment #30) > LTO profiled-bootstrap revals: > > /space/rguenther/src/svn/trunk/gcc/reginfo.c: In function 'reg_scan': > /space/rguenther/src/svn/trunk/gcc/reginfo.c:1015:0: error: location > references > block not in block tree > reg_scan (rtx f, unsigned int nregs ATTRIBUTE_UNUSED) > ^ > "ee" > fmt_351 = "ee"; > > /space/rguenther/src/svn/trunk/gcc/reginfo.c:1015:0: internal compiler error: > verify_gimple failed > > this is a &STRING_CST node. Needs to be tracked down ... more IPA stuff needs > to use copy_tree_without_location. I think this BLOCK comes from LTO streamer.