http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50619
--- Comment #6 from Stephan Weller <gcc.10.dimsea at spamgourmet dot org> 2012-06-05 11:56:59 UTC --- Great, this fixes the problem for me. In current svn revision, -finit-real=NAN works as expected. Thanks for keeping up the good work!