http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48301
--- Comment #10 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-02-17 19:04:24 UTC --- FYI, this issue appears to be fixed in the llvm-gcc-4.2 of Xcode 4.3. Of course that only helps Xcode users on Lion or later.