http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55792
--- Comment #30 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-10 15:34:39 UTC --- 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.