Xcode5 删除./Xcode/DeprivedData/目录下所有文件后不能编译

Question

问题如题目中所描述，编译工程，总是提示
error:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk/System/Library/Frameworks/UIKit.framework/Headers/UITableViewCell.h:84:1: Non-ASCII characters are not allowed outside of literals and identifiers

error:/Users/niko/Documents/workspace/adsf/adsf/adsf-Prefix.pch:14:13: Could not build module 'UIKit'