http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30604
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #15 from David Binderman <dcb314 at hotmail dot com> --- I've got a testcase from gcc trunk dated 20130605 that can generate the same "Unable to coalesce" message. Testcase available on request.