https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66805
--- Comment #1 from Jan Engelhardt <jengelh at inai dot de> --- (gdb) r Starting program: t Program received signal SIGSEGV, Segmentation fault. compute_summary (max_length=<synthetic pointer>, this_prg=0x7fffffff9540, list=0x7ffff7dda180) at ../../../libgcc/libgcov-driver.c:307 307 ../../../libgcc/libgcov-driver.c: No such file or directory. (gdb) bt #0 compute_summary (max_length=<synthetic pointer>, this_prg=0x7fffffff9540, list=0x7ffff7dda180) at ../../../libgcc/libgcov-driver.c:307 #1 gcov_do_dump (list=0x7ffff7dda180, run_counted=0) at ../../../libgcc/libgcov-driver.c:837 #2 0x00007ffff7bd9112 in __gcov_dump_one (root=0x7ffff7ddb280 <__gcov_root>) at ../../../libgcc/libgcov-driver.c:858 #3 gcov_exit () at ../../../libgcc/libgcov-driver.c:874 #4 0x00007ffff6fccf7f in __cxa_finalize (d=0x7ffff7dda120) at cxa_finalize.c:56 #5 0x00007ffff7bd7173 in __do_global_dtors_aux () from ./pack.so #6 0x00007fffffffde00 in ?? () #7 0x00007ffff7deaf3a in _dl_fini () at dl-fini.c:252 Backtrace stopped: frame did not save the PC