Xcode 编译到真机出的错,求解决?

clang: error: assembler command failed with exit code 1 (use -v to see invocation)
Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/clang failed with exit code 1

模拟器运行没问题,当编译到真机的真要的时候就会出现这样的错误,有人遇到过吗?