https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102851
--- Comment #2 from hasse.christoph at cern dot ch --- Created attachment 51661 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51661&action=edit Preprocessed source Compile with g++ -O3 -DNDEBUG -g -o tmp.o -c preprocessed.cpp objdump -d -C tmp.o | less will show the non demangled symbol