http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55996 --- Comment #3 from Jeffrey A. Law <law at redhat dot com> 2013-02-07 22:00:03 UTC --- Patch to enable printing of escaped curlys and bars in assembler output. http://gcc.gnu.org/ml/gcc-patches/2012-11/msg01145.html