I see this on 1.6.3:
Internal error: encountered unexpected error in runtime:
BoundsError(a=svec(), i=0)
getindex at .\essentials.jl:589 [inlined]
unswitchtupleunion at .\compiler\typeutils.jl:219
getfield_elim_pass! at .\compiler/ssair\passes.jl:624
run_passes at .\compiler/ssair\driver.jl:133
optimize at .\compiler\optimize.jl:272 [inlined]
_typeinf at .\compiler\typeinfer.jl:244
typeinf at .\compiler\typeinfer.jl:209
typeinf_edge at .\compiler\typeinfer.jl:806
abstract_call_method at .\compiler\abstractinterpretation.jl:490
abstract_call_gf_by_type at .\compiler\abstractinterpretation.jl:143
abstract_call_known at .\compiler\abstractinterpretation.jl:1048
abstract_call at .\compiler\abstractinterpretation.jl:1071
abstract_call at .\compiler\abstractinterpretation.jl:1055
abstract_eval_statement at .\compiler\abstractinterpretation.jl:1182
typeinf_local at .\compiler\abstractinterpretation.jl:1470
typeinf_nocycle at .\compiler\abstractinterpretation.jl:1534
_typeinf at .\compiler\typeinfer.jl:214
typeinf at .\compiler\typeinfer.jl:209
typeinf_edge at .\compiler\typeinfer.jl:806
abstract_call_method at .\compiler\abstractinterpretation.jl:490
abstract_call_gf_by_type at .\compiler\abstractinterpretation.jl:143
abstract_call_known at .\compiler\abstractinterpretation.jl:1048
abstract_call at .\compiler\abstractinterpretation.jl:1071
abstract_call at .\compiler\abstractinterpretation.jl:1055
abstract_eval_statement at .\compiler\abstractinterpretation.jl:1182
typeinf_local at .\compiler\abstractinterpretation.jl:1470
typeinf_nocycle at .\compiler\abstractinterpretation.jl:1534
_typeinf at .\compiler\typeinfer.jl:214
typeinf at .\compiler\typeinfer.jl:209
typeinf_edge at .\compiler\typeinfer.jl:806
abstract_call_method at .\compiler\abstractinterpretation.jl:490
abstract_call_gf_by_type at .\compiler\abstractinterpretation.jl:143
abstract_call_known at .\compiler\abstractinterpretation.jl:1048
abstract_call at .\compiler\abstractinterpretation.jl:1071
abstract_call at .\compiler\abstractinterpretation.jl:1055
abstract_eval_statement at .\compiler\abstractinterpretation.jl:1182
typeinf_local at .\compiler\abstractinterpretation.jl:1455
typeinf_nocycle at .\compiler\abstractinterpretation.jl:1534
_typeinf at .\compiler\typeinfer.jl:214
typeinf at .\compiler\typeinfer.jl:209
typeinf_ext at .\compiler\typeinfer.jl:892
typeinf_ext_toplevel at .\compiler\typeinfer.jl:925
typeinf_ext_toplevel at .\compiler\typeinfer.jl:921
jfptr_typeinf_ext_toplevel_14355.clone_1 at C:\Users\Win10\AppData\Local\Programs\Julia-1.6.3\lib\julia\sys.dll (unknown line)
_jl_invoke at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:2237 [inlined]
jl_apply_generic at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:2419 [inlined]
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
jl_type_infer at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:298
jl_generate_fptr at /cygdrive/c/buildbot/worker/package_win64/build/src\jitlayers.cpp:340
jl_compile_method_internal at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:1970
jl_compile_method_internal at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:1924 [inlined]
_jl_invoke at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:2229 [inlined]
jl_apply_generic at /cygdrive/c/buildbot/worker/package_win64/build/src\gf.c:2419
#_run#48 at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:98
_run##kw at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:92
unknown function (ip: 000000005b3efb58)
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
jl_f__call_latest at /cygdrive/c/buildbot/worker/package_win64/build/src\builtins.c:714
#invokelatest#2 at .\essentials.jl:710 [inlined]
invokelatest##kw at .\essentials.jl:706 [inlined]
#run_result#45 at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:33 [inlined]
run_result##kw at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:33 [inlined]
#run#49 at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:116
run##kw at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:116 [inlined]
run##kw at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:116 [inlined]
#warmup#54 at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:168 [inlined]
warmup at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:168
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
do_call at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:115
eval_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:204
eval_stmt_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:155 [inlined]
eval_body at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:576
jl_interpret_toplevel_thunk at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:670
top-level scope at C:\Users\Win10\.julia\packages\BenchmarkTools\uq9zP\src\execution.jl:565
jl_toplevel_eval_flex at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:877
jl_toplevel_eval_flex at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:825
jl_toplevel_eval at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:886 [inlined]
jl_toplevel_eval_in at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:929
eval at .\boot.jl:360 [inlined]
include_string at .\loading.jl:1116
_include at .\loading.jl:1170
include at .\client.jl:444
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
do_call at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:115
eval_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:204
eval_stmt_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:155 [inlined]
eval_body at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:576
jl_interpret_toplevel_thunk at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:670
top-level scope at none:1
jl_toplevel_eval_flex at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:877
jl_toplevel_eval at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:886 [inlined]
jl_toplevel_eval_in at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:929
eval at .\boot.jl:360 [inlined]
repleval at C:\Users\Win10\.julia\packages\Atom\bfwsW\src\repl.jl:198
#242 at C:\Users\Win10\.julia\packages\Atom\bfwsW\src\repl.jl:228
unknown function (ip: 000000005b3e8dd3)
with_logstate at .\logging.jl:491
with_logger at .\logging.jl:603 [inlined]
evalrepl at C:\Users\Win10\.julia\packages\Atom\bfwsW\src\repl.jl:216
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
do_call at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:115
eval_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:204
eval_stmt_value at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:155 [inlined]
eval_body at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:576
jl_interpret_toplevel_thunk at /cygdrive/c/buildbot/worker/package_win64/build/src\interpreter.c:670
top-level scope at C:\Users\Win10\.julia\packages\Atom\bfwsW\src\repl.jl:264
jl_toplevel_eval_flex at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:877
jl_toplevel_eval at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:886 [inlined]
jl_toplevel_eval_in at /cygdrive/c/buildbot/worker/package_win64/build/src\toplevel.c:929
eval at .\boot.jl:360 [inlined]
eval_user_input at C:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.6\REPL\src\REPL.jl:139
repl_backend_loop at C:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.6\REPL\src\REPL.jl:200
start_repl_backend at C:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.6\REPL\src\REPL.jl:185
#run_repl#42 at C:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.6\REPL\src\REPL.jl:317
run_repl at C:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.6\REPL\src\REPL.jl:305
#874 at .\client.jl:387
jfptr_YY.874_32319.clone_1 at C:\Users\Win10\AppData\Local\Programs\Julia-1.6.3\lib\julia\sys.dll (unknown line)
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
jl_f__call_latest at /cygdrive/c/buildbot/worker/package_win64/build/src\builtins.c:714
#invokelatest#2 at .\essentials.jl:708 [inlined]
invokelatest at .\essentials.jl:706 [inlined]
run_main_repl at .\client.jl:372
exec_options at .\client.jl:302
_start at .\client.jl:485
jfptr__start_22917.clone_1 at C:\Users\Win10\AppData\Local\Programs\Julia-1.6.3\lib\julia\sys.dll (unknown line)
jl_apply at /cygdrive/c/buildbot/worker/package_win64/build/src\julia.h:1703 [inlined]
true_main at /cygdrive/c/buildbot/worker/package_win64/build/src\jlapi.c:560
repl_entrypoint at /cygdrive/c/buildbot/worker/package_win64/build/src\jlapi.c:702
mainCRTStartup at /cygdrive/c/buildbot/worker/package_win64/build/cli\loader_exe.c:51
BaseThreadInitThunk at C:\Windows\System32\KERNEL32.DLL (unknown line)
RtlUserThreadStart at C:\Windows\SYSTEM32\ntdll.dll (unknown line)
I know, I should post a MWE;) Are there any techniques to automatically minimize my program?
Also interesting: the program continues to run. Shouldn’t it crash?