https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114699
--- Comment #2 from Richard W.M. Jones <rjones at redhat dot com> --- This was the stack trace of the crashing thread with gcc-go: Thread 7 (Thread 0x7ff5c1af3a40 (LWP 2819340)): #0 0x00007ff5c24d67cb in __GI_munmap () at ../sysdeps/unix/syscall-template.S:117 #1 0x00007ff5c24c916a in _dl_unmap_segments (l=0x563fc0eba080) at ./dl-unmap-segments.h:32 #2 _dl_unmap (map=map@entry=0x563fc0eba080) at ../sysdeps/x86_64/tlsdesc.c:31 #3 0x00007ff5c24b5ff5 in _dl_close_worker (map=<optimized out>, map@entry=0x563fc0eb9a90, force=force@entry=false) at dl-close.c:628 #4 0x00007ff5c24b663b in _dl_close (_map=0x563fc0eb9a90) at dl-close.c:793 #5 0x00007ff5c24b5523 in __GI__dl_catch_exception (exception=exception@entry=0x7fffe1bbd500, operate=0x7ff5c24b6600 <_dl_close>, args=0x563fc0eb9a90) at dl-catch.c:237 #6 0x00007ff5c24b5679 in _dl_catch_error (objname=0x7fffe1bbd568, errstring=0x7fffe1bbd570, mallocedp=0x7fffe1bbd567, operate=<optimized out>, args=<optimized out>) at dl-catch.c:256 #7 0x00007ff5c20a4913 in _dlerror_run (operate=<optimized out>, args=<optimized out>) at dlerror.c:138 #8 0x00007ff5c20a4656 in __dlclose (handle=<optimized out>) at dlclose.c:31 #9 0x0000563fb3951239 in backend_unload (b=b@entry=0x563fc0ebbf60, unload=0x7ff5c1ae43b0) at /home/rjones/d/nbdkit/server/backend.c:154 #10 0x0000563fb39512bc in plugin_free (b=0x563fc0ebbf60) at /home/rjones/d/nbdkit/server/plugins.c:64 #11 0x0000563fb394ed51 in main (argc=<optimized out>, argv=<optimized out>) at /home/rjones/d/nbdkit/server/main.c:838
