https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90420
--- Comment #8 from Yibiao Yang <yangyibiao at nju dot edu.cn> --- (In reply to Martin Liška from comment #7) > > Line #5 is marked as not executed. I understand that this function might be > > optimized as an inline function. However, since Line #7 and Line #8 is > > marked as executed and Line #5 is marked as not executed. This might mislead > > others when debugging or testing based on code coverage. > > That's the nature of any optimizing compiler. If you want to have the best > results, then don't use -O2, or any other optimization level. Got it. Thanks a lot.
