Most Important iPhone interview Questions and Answers
The problem may not be concerned with the architecture in the build settings.
I would like to share that the problem corresponds to Compiler option related to C/C++/Objective C.
Apple LLVM 5.0.Then you can build and run the project in simulator without any issues.
-Open project Build setting
-Change compiler for c/c++/objective c as Default compiler(Apple LLVM 5.0)
I have attached a screenshot.Though the solution is simple but it quiet confusing.