MoarVM panic when profiling an EVAL that fails #1187
Description
[dan@alexandria p6]$ gdb --args ~/p6/install/bin/perl6 --profile -e 'EVAL q|my $a = "a" x NaN|'
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Reading symbols from /home/dan/p6/install/bin/perl6...
(gdb) b MVM_panic
Function "MVM_panic" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (MVM_panic) pending.
(gdb) r
Starting program: /home/dan/Source/perl6/install/bin/perl6 --profile -e EVAL\ q\|my\ \$a\ =\ \"a\"\ x\ NaN\|
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7ffff6e7e700 (LWP 82804)]
at gen/moar/Optimizer.nqp:1962 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:)
from gen/moar/Optimizer.nqp:1907 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:optimize_call)
from gen/moar/Optimizer.nqp:1706 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_op)
from gen/moar/Optimizer.nqp:2859 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_children)
from gen/moar/Optimizer.nqp:1746 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_op_children)
from gen/moar/Optimizer.nqp:1526 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_op)
from gen/moar/Optimizer.nqp:2859 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_children)
from gen/moar/Optimizer.nqp:2877 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_children)
from gen/moar/Optimizer.nqp:2873 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_children)
from gen/moar/Optimizer.nqp:2877 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_children)
from gen/moar/Optimizer.nqp:1123 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:visit_block)
from gen/moar/Optimizer.nqp:1071 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Optimizer.moarvm:optimize)
from gen/moar/Compiler.nqp:68 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Compiler.moarvm:optimize)
from gen/moar/stage2/NQPHLL.nqp:2181 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:execute_stage)
from gen/moar/stage2/NQPHLL.nqp:2211 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:run)
from gen/moar/stage2/NQPHLL.nqp:2220 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:)
from gen/moar/stage2/NQPHLL.nqp:2239 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:compile)
from SETTING::src/core.c/ForeignCode.pm6:74 (/home/dan/Source/perl6/install/share/perl6/runtime/CORE.c.setting.moarvm:EVAL)
from -e:1 (<ephemeral file>:<unit>)
from -e:1 (<ephemeral file>:<unit-outer>)
from gen/moar/stage2/NQPHLL.nqp:1904 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:)
from gen/moar/stage2/NQPHLL.nqp:161 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:run_profiled)
from gen/moar/stage2/NQPHLL.nqp:1903 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:eval)
from gen/moar/stage2/NQPHLL.nqp:2021 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:)
from gen/moar/stage2/NQPHLL.nqp:2020 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:command_eval)
from gen/moar/Compiler.nqp:55 (/home/dan/Source/perl6/install/share/perl6/lib/Perl6/Compiler.moarvm:command_eval)
from gen/moar/stage2/NQPHLL.nqp:2001 (/home/dan/Source/perl6/install/share/nqp/lib/NQPHLL.moarvm:command_line)
from gen/moar/perl6.nqp:126 (/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm:MAIN)
from gen/moar/perl6.nqp:91 (/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm:<mainline>)
from <unknown>:1 (/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm:<main>)
from <unknown>:1 (/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm:<entry>)
Thread 1 "perl6" hit Breakpoint 1, MVM_panic (exitCode=exitCode@entry=1, messageFormat=messageFormat@entry=0x7ffff7d821d1 "Profiler lost sequence") at src/core/exceptions.c:832
832 MVM_NO_RETURN void MVM_panic(MVMint32 exitCode, const char *messageFormat, ...) {
(gdb) bt
#0 MVM_panic (exitCode=exitCode@entry=1, messageFormat=messageFormat@entry=0x7ffff7d821d1 "Profiler lost sequence") at src/core/exceptions.c:832
#1 0x00007ffff79d11aa in log_exit (unwind=<optimized out>, tc=0x555555559f40) at src/profiler/log.c:207
#2 log_exit (unwind=0, tc=0x555555559f40) at src/profiler/log.c:195
#3 MVM_profile_log_exit (tc=0x555555559f40) at src/profiler/log.c:224
#4 0x00007ffff78df098 in MVM_interp_run (tc=0x1, tc@entry=0x555555559f40, initial_invoke=0x7ffff7d821d1, initial_invoke@entry=0x7ffff79db950 <toplevel_initial_invoke>, invoke_data=0x7ffff7d821d1,
invoke_data@entry=0x7ffff79db950 <toplevel_initial_invoke>) at src/core/interp.c:6484
#5 0x00007ffff79dc9df 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
#6 0x00005555555555ca in main (argc=<optimized out>, argv=<optimized out>) at src/vm/moar/runner/main.c:369
(gdb)
This is Rakudo version 2019.07.1-370-g168c9c2fb built on MoarVM version 2019.07.1-248-gb72a790b1