segv.log

Starting program: /home/dan/Source/perl6/install/bin/perl6-m --profile -e my\ \$a\;\ for\ \^100_000\ \{\ \$a\ =\ rand\ \~\~\ /\<\$_\>/\;\ \}
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7ffff6e7f700 (LWP 439783)]

Thread 1 "perl6-m" received signal SIGSEGV, Segmentation fault.
0x00007ffff78e3a11 in MVM_interp_run (tc=0x555555e81d10, tc@entry=0x555555559f40, initial_invoke=0x10, initial_invoke@entry=0x7ffff79db9a0 <toplevel_initial_invoke>, invoke_data=0x10, 
    invoke_data@entry=0x7ffff79db9a0 <toplevel_initial_invoke>) at src/core/interp.c:5629
5629                    if (!check || !IS_CONCRETE(check) || STABLE(check) != want)
(gdb) bt
#0  0x00007ffff78e3a11 in MVM_interp_run (tc=0x555555e81d10, tc@entry=0x555555559f40, initial_invoke=0x10, initial_invoke@entry=0x7ffff79db9a0 <toplevel_initial_invoke>, invoke_data=0x10, 
    invoke_data@entry=0x7ffff79db9a0 <toplevel_initial_invoke>) at src/core/interp.c:5629
#1  0x00007ffff79dca2f in MVM_vm_run_file (instance=<optimized out>, filename=0x5555555593f0 "/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm") at src/moar.c:460
#2  0x00005555555555d4 in main (argc=<optimized out>, argv=<optimized out>) at src/vm/moar/runner/main.c:369
(gdb)