http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52037
--- Comment #4 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-01-29 13:56:10 UTC --- Created attachment 26500 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26500 lto testcase % /usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.0/lto1 -quiet -O1 -fltrans test.o In file included from :2205:0: /var/tmp/mozilla-central/content/base/src/nsAttrValue.cpp: In member function ‘Equals’: /var/tmp/mozilla-central/content/base/src/nsAttrValue.cpp:689:1: internal compiler error: in update_ssa, at tree-into-ssa.c:3362 Please submit a full bug report, with preprocessed source if appropriate.