[Bug target/54257] gcc.target/i386/pr53249.c failure at -m64 on x86_64-apple-darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54257

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-14 15:57:34 
UTC ---
The problem is -m64 overrides -mx32.