# New Ticket Created by Andrei Osipov
# Please include the string: [perl #125245]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/Ticket/Display.html?id=125245 >
Dummy.pm:
use File::Temp;
class Dummy {
subset File of Str where -> $x { so $x && $x.IO.e };
has File $!in;
method BUILD() { $!in = tempfile[0] }
method method { "OKAY" }
}
main.pl:
use Dummy;
my $v = Dummy.new;
say $v.method;
% perl6 --target=mbc --output=blib/Dummy.pm.moarvm lib/Dummy.pm
% perl6 -Ilib main.pl
OKAY
% perl6 -Iblib main.pl
Segmentation fault
Backtrace:
(gdb) bt full
#0 MVM_6model_find_method_cache_only (tc=tc@entry=0x602700,
obj=obj@entry=0x0, name=0x611220) at src/6model/6model.c:26
cache = 0x0
#1 0x00007ffff5d4e0f9 in rakudo_scalar_store (tc=0x602700,
cont=0x7ffff63b2298, obj=0x7ffff6454710)
at src/vm/moar/ops/container.c:133
HOW = 0x0
meth = <optimized out>
mode = <optimized out>
rs = 0x7ffff63b2298
rcd = 0x2c16500
rw = <optimized out>
#2 0x00007ffff7927b0e in MVM_interp_run (tc=0x602700,
initial_invoke=0x602010, invoke_data=0x611220) at
src/core/interp.c:1225
cont = 0x0
obj = 0x611220
spec = 0x197b7f0
op = 4640
LABELS = {0x7ffff7917a11, 0x7ffff79236c7, 0x7ffff7917a74,
0x7ffff7917a74, 0x7ffff7923c9d, 0x7ffff7923ce0,
0x7ffff792388c, 0x7ffff79238d1, 0x7ffff7920896,
0x7ffff7921612, 0x7ffff7921617, 0x7ffff792161c, 0x7ffff7921625,
0x7ffff7921635, 0x7ffff7921645, 0x7ffff7921655,
0x7ffff7921665, 0x7ffff7921d46, 0x7ffff7921d4b, 0x7ffff791d621,
0x7ffff791d626, 0x7ffff7917a42, 0x7ffff7917a48,
0x7ffff7921b74, 0x7ffff7921ab5, 0x7ffff7921b18, 0x7ffff7921506,
0x7ffff792156f, 0x7ffff792183e, 0x7ffff79218ae,
0x7ffff7921675, 0x7ffff79216e8, 0x7ffff7921762, 0x7ffff79217cc,
0x7ffff7925d5f, 0x7ffff79208dd, 0x7ffff792095f,
0x7ffff79209d6, 0x7ffff79236cc, 0x7ffff7923738, 0x7ffff79237a2,
0x7ffff792381d, 0x7ffff7923c2c, 0x7ffff7923b42,
0x7ffff7923bb1, 0x7ffff7917a8a, 0x7ffff7917a8a, 0x7ffff7925e6c,
0x7ffff7925a2a, 0x7ffff79264d7, 0x7ffff79279a4,
0x7ffff791d501, 0x7ffff7923551, 0x7ffff79235b5, 0x7ffff7923618,
0x7ffff792367b, 0x7ffff7924725, 0x7ffff79248d7,
0x7ffff792492b, 0x7ffff7924779, 0x7ffff79247cd, 0x7ffff7924821,
0x7ffff792638f, 0x7ffff7923923, 0x7ffff7923972,
0x7ffff79239c1, 0x7ffff7923a11, 0x7ffff7923a8f, 0x7ffff7923ae0,
0x7ffff7923cf6, 0x7ffff7923d48, 0x7ffff7923d92,
0x7ffff7923de6, 0x7ffff7923e26, 0x7ffff7923e66, 0x7ffff7923ea6,
0x7ffff7925790, 0x7ffff79256f4, 0x7ffff79258c5,
0x7ffff7925829, 0x7ffff7925873, 0x7ffff792504a, 0x7ffff7925f71,
0x7ffff79260da, 0x7ffff791a669, 0x7ffff791b56e,
0x7ffff7924875, 0x7ffff792497f, 0x7ffff79249dd, 0x7ffff7917b85,
0x7ffff7917bdb, 0x7ffff7917c32, 0x7ffff792664f,
0x7ffff79244a7, 0x7ffff79244f9, 0x7ffff792454b, 0x7ffff792459d,
0x7ffff79245ef, 0x7ffff792467d, 0x7ffff79246ce,
0x7ffff7925ecb, 0x7ffff7927a29, 0x7ffff7927a78, 0x7ffff791a1d9,
0x7ffff791a228, 0x7ffff791a279, 0x7ffff791a2c8,
0x7ffff791a319, 0x7ffff791a368, 0x7ffff791a3b7, 0x7ffff791a411,
0x7ffff791a46c, 0x7ffff791a4c5, 0x7ffff791a516,
0x7ffff791a567, 0x7ffff791a5b6, 0x7ffff791a613, 0x7ffff791c1b8,
0x7ffff791c209, 0x7ffff79257df, 0x7ffff7925743,
0x7ffff7925a86, 0x7ffff7925add, 0x7ffff7925b35, 0x7ffff7925b8c,
0x7ffff7925be4, 0x7ffff7925c43, 0x7ffff7923f39,
0x7ffff7923f89, 0x7ffff7923fe0, 0x7ffff7924039, 0x7ffff7924090,
0x7ffff7924b3d, 0x7ffff7924b88, 0x7ffff7924bd5,
0x7ffff79240e7, 0x7ffff7924197, 0x7ffff792425b, 0x7ffff792431f,
0x7ffff79243e3, 0x7ffff7924c2f, 0x7ffff7924c86,
0x7ffff7924d18, 0x7ffff7924db4, 0x7ffff7924e46, 0x7ffff7924ed8,
0x7ffff7924f8c, 0x7ffff7925914, 0x7ffff792509c,
0x7ffff7925150, 0x7ffff79251f1, 0x7ffff792529c, 0x7ffff792533d,
0x7ffff79253de, 0x7ffff79254a1, 0x7ffff792556e,
0x7ffff7925631, 0x7ffff7925ca2, 0x7ffff79259c8, 0x7ffff7923ee6,
0x7ffff7925dd5, 0x7ffff7925f25, 0x7ffff7925d08,
0x7ffff79263f1, 0x7ffff792644c, 0x7ffff7925fee, 0x7ffff7926079,
0x7ffff79262bb, 0x7ffff7926325, 0x7ffff7926128,
0x7ffff7926192, 0x7ffff79261f3, 0x7ffff7926257, 0x7ffff791d564,
0x7ffff791d5c1, 0x7ffff792673b, 0x7ffff792679b,
0x7ffff791f704, 0x7ffff791f65d, 0x7ffff79267fa, 0x7ffff7926859,
0x7ffff79268ab, 0x7ffff7927c1d, 0x7ffff7926915,
0x7ffff7926968, 0x7ffff79269bb, 0x7ffff7926a29, 0x7ffff7926ad7,
0x7ffff7926b85, 0x7ffff79282d7, 0x7ffff7927de0,
0x7ffff791f0e5, 0x7ffff792061f, 0x7ffff7928385, 0x7ffff79278de,
0x7ffff7927945, 0x7ffff79185b8, 0x7ffff7918368,
0x7ffff7926e4a, 0x7ffff7926ea9...}
cur_op = 0x7ffff523b9e3 "\001\004\006"
bytecode_start = 0x7ffff523b8ff "\214"
reg_base = 0x969d90
cu = 0x65d988
cur_callsite = 0x7ffff7dcc680
#3 0x00007ffff79be18b in MVM_vm_run_file (instance=0x602010,
filename=0x7fffffffe778
"/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm")
at src/moar.c:218
start_frame = <optimized out>
tc = 0x602700
cu = 0x65c4b0
#4 0x000000000040103d in main (argc=8, argv=0x7fffffffe308) at src/main.c:189
instance = 0x602010
input_file = 0x7fffffffe778
"/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm"
executable_name = <optimized out>
lib_path = {0x7fffffffe6ae
"/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib",
0x7fffffffe6f2
"/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/lib",
0x7fffffffe738
"/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime",
0x0, 0x7fffffffe20f "",
0x400b31 "H\203\304", <incomplete sequence \303>, 0x1
<Address 0x1 out of bounds>,
0x4011cd
"H\203\303\001H9\353r\352H\213\\$\bH\213l$\020L\213d$\030L\213l$
L\213t$(L\213|$0H\203\304\070Ð\220\220H\203\354\bH\203\304",
<incomplete sequence \303>}
dump = <optimized out>
full_cleanup = <optimized out>
argi = 6
lib_path_i = <optimized out>
flag = 6299664
(gdb) print MVM_dump_backtrace(tc)
at <unknown>:1
(/home/andreoss/dev/p6/segfault/blib/Dummy.pm.moarvm:BUILD:4294967295)
from src/gen/m-CORE.setting:1031
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm::70)
from src/gen/m-CORE.setting:1025
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:BUILDALL:68)
from src/gen/m-CORE.setting:1014
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:bless:37)
from src/gen/m-CORE.setting:1000
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:new:20)
from src/gen/m-CORE.setting:999
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:new:39)
from main.pl:3 (<ephemeral file>:<unit>:25)
from main.pl:1 (<ephemeral file>:<unit-outer>:10)
from gen/moar/stage2/NQPHLL.nqp:1289
(/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:eval:190)
from gen/moar/stage2/NQPHLL.nqp:1487
(/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:evalfiles:91)
from gen/moar/stage2/NQPHLL.nqp:1386
(/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_eval:214)
from src/Perl6/Compiler.nqp:59
(/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib/Perl6/Compiler.moarvm:command_eval:93)
from gen/moar/stage2/NQPHLL.nqp:1360
(/home/andreoss/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_line:116)
from src/gen/m-main.nqp:39
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:MAIN:18)
from src/gen/m-main.nqp:35
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<mainline>:197)
from <unknown>:1
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<main>:8)
from <unknown>:1
(/home/andreoss/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<entry>:9)
$1 = void
