On 07/10/16 15:42, Ian Lance Taylor wrote: > For typical use those options will not affect debugging. > > Using those options will in some cases make it harder for the debugger > to give you a good backtrace when a signal occurs. And much harder to use tools like perf to produce runtimer performance data like flame graphs. http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html Andrew.