error: unknown argument: '-fobjc-weak'

After I update my xocode to version 7.3 and set the project's build settings=weak reference in manual retain release = Yes , the fauxpas report this error: ERROR: Initialization: Error when parsing precompiled header #7: error: unknown argument: '-fobjc-weak' but my project can build success with xcode command line, only if set the weak reference in manual retain release = No, the fauxpas will run success. please solve this issue as soon as possible. Thanks.

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