CompileStoryboard test/en.lproj/MainStoryboard_iPhone.storyboard

dyld: Library not loaded: /usr/lib/system/libdispatch.dylib
Referenced from: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.0.sdk/usr/lib/libSystem.dylib
Reason: no suitable image found.  Did find:
/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.0.sdk/usr/lib/system/libdispatch.dylib: unknown required load command 0x80000023

ibtoold[2996:107] [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-933/IBPlugin/Utilities/IBObjectMarshalling.m:179

Command /Developer/usr/bin/ibtool failed with exit code 255