https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67457
--- Comment #3 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- (In reply to Ian Lance Taylor from comment #2) > If other compilers can print a backtrace when mmap fails, then I think they > must be recording all necessary information in loadable sections. When no > memory is available we could print a trace of PC addresses, but it would be > very painful to print file/line information. We could stage the I/O through > a static buffer, but finding the information to print without being able to > build any data structures would be very inefficient. actually, just a trace of PC addresses would be sufficient and useful, it would allow to get the needed info afterwards nevertheless. This is actually what I get with the other compiler.