Empty trace when compiling with -o3 and -g

[Alex-EEE]

When I compile with optimization, I no longer get a trace:

I've confirmed I'm still passing -g during compile

Building CXX object CMakeFiles/app.dir/src/main.cpp.o
/Library/Developer/CommandLineTools/usr/bin/c++  -g -O3 -DNDEBUG -arch arm64