启用了GCC 4.6.3 Linux -O3的优化清单vs应用于代码差异。优化顺序是否影响代码编译?

I'm facing a problem with GCC 4.6.3 which I can't find any logic solution/explanation. I'm working on a project of porting an embedded firmware application with OS to a Linux based application. The application has a whole bunch of unit tests that can be activated via arguments to check the sanity of the code/features.I'm facing a problem with GCC 4.6.3 which I can