# New Ticket Created by Jonathan Stowe # Please include the string: [perl #125376] # in the subject line of all future correspondence about this issue. # <URL: https://rt.perl.org/Ticket/Display.html?id=125376 >
Just experimenting: perl6 -e 'my $f = Sub.new(); say $f' /home/jonathan/.rakudobrew/bin/perl6: line 2: 17687 Segmentation fault (core dumped) PATH=/home/jonathan/.rakudobrew/bin/../moar-nom/install/bin:$PATH perl6 "$@" gdb output: Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7b4f2b7 in MVM_coerce_istrue_s () from /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so (gdb) bt #0 0x00007ffff7b4f2b7 in MVM_coerce_istrue_s () from /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so #1 0x00007ffff7b4f4c2 in MVM_coerce_istrue () from /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so #2 0x00007ffff7b403e1 in MVM_interp_run () from /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so #3 0x00007ffff7bd87ab in MVM_vm_run_file () from /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so #4 0x000000000040101f in main () valgrind output: ==18186== ==18186== Invalid read of size 1 ==18186== at 0x4D6D2B7: MVM_coerce_istrue_s (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4D6D4C1: MVM_coerce_istrue (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4D5E3E0: MVM_interp_run (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4DF67AA: MVM_vm_run_file (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x40101E: main (in /home/jonathan/.rakudobrew/moar-nom/install/bin/moar) ==18186== Address 0xffffffff0000000d is not stack'd, malloc'd or (recently) free'd ==18186== ==18186== ==18186== Process terminating with default action of signal 11 (SIGSEGV) ==18186== Access not within mapped region at address 0xFFFFFFFF0000000D ==18186== at 0x4D6D2B7: MVM_coerce_istrue_s (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4D6D4C1: MVM_coerce_istrue (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4D5E3E0: MVM_interp_run (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x4DF67AA: MVM_vm_run_file (in /home/jonathan/.rakudobrew/moar-nom/install/lib/libmoar.so) ==18186== by 0x40101E: main (in /home/jonathan/.rakudobrew/moar-nom/install/bin/moar) ==18186== If you believe this happened as a result of a stack ==18186== overflow in your program's main thread (unlikely but ==18186== possible), you can try to increase the size of the ==18186== main thread stack using the --main-stacksize= flag. ==18186== The main thread stack size used in this run was 8388608. ==18186== ==18186== HEAP SUMMARY: ==18186== in use at exit: 41,569,167 bytes in 144,593 blocks ==18186== total heap usage: 163,773 allocs, 19,180 frees, 52,779,557 bytes allocated ==18186== ==18186== LEAK SUMMARY: ==18186== definitely lost: 41,049 bytes in 702 blocks ==18186== indirectly lost: 21,779 bytes in 748 blocks ==18186== possibly lost: 171,752 bytes in 3,070 blocks ==18186== still reachable: 41,334,587 bytes in 140,073 blocks ==18186== suppressed: 0 bytes in 0 blocks
