Warning while compiling code on ios device

I am getting this warning while compiling my code on ipad.

warning: Unable to read symbols for /Develope开发者_如何学编程r/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/Developer/usr/lib/libXcodeDebuggerSupport.dylib

Any Idea as what symbols it is referring to.

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XCode4 is still under NDA right? You will find an answer to this specific issue over at Apple's developer forums.

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This is not something you need to worry about.

See the thread here: https://devforums.apple.com/thread/77896