[Bug c/49396] c-family/c-cppbuiltin.c: duplicate if expressions

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49396

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-14 
12:53:45 UTC ---
Same error on all branches back to 4.4.