Issue 1:
julia> x = (year = 2012, name = "pancho", gender = :m, breed = "chihuahua", borough = "queens", zip = "11358", issued = 2011-06-11, expired = 2012-06-11, vector = [-0.0178, 0.0398, 0.0632, 0.063, 0.0181, 0.0617, 0.0578, 0.0089, -0.0245, 0.0026, 0.0032, -0.0484, 0.0236, 0.0672, -0.0312, 0.0232, 0.0571, 0.0216, -0.0301, -0.0371], size = "small", group = "akc toy");

julia> [x, x]
2-element Array{NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}},1}:
Error showing value of type Array{NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}},1}:
ERROR: AssertionError: Array{Float64,1} is not a subtype of NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}}
Stacktrace:
[1] typeinfo_prefix(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Array{Float64,1}) at ./arrayshow.jl:477
[2] show_vector(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Array{Float64,1}, ::Char, ::Char) at ./arrayshow.jl:431 (repeats 2 times)
[3] show(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Array{Float64,1}) at ./arrayshow.jl:417
[4] show(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}}) at ./namedtuple.jl:142
[5] #sprint#336(::IOContext{REPL.Terminals.TTYTerminal}, ::Int64, ::Function, ::Function, ::NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}}) at ./strings/io.jl:97
[6] #sprint at ./array.jl:0 [inlined]
[7] alignment at ./show.jl:1780 [inlined]
[8] alignment(::IOContext{REPL.Terminals.TTYTerminal}, ::Array{NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}},1}, ::Base.OneTo{Int64}, ::Base.OneTo{Int64}, ::Int64, ::Int64, ::Int64) at ./arrayshow.jl:68
[9] print_matrix(::IOContext{REPL.Terminals.TTYTerminal}, ::Array{NamedTuple{(:year, :name, :gender, :breed, :borough, :zip, :issued, :expired, :vector, :size, :group),Tuple{Int64,String,Symbol,String,String,String,Int64,Int64,Array{Float64,1},String,String}},1}, ::String, ::String, ::String, ::String, ::String, ::String, ::Int64, ::Int64) at ./arrayshow.jl:186
...

julia> versioninfo()
Julia Version 0.7.0-alpha.59
Commit 2a45839ef9* (2018-06-09 17:04 UTC)
Platform Info:
OS: macOS (x86_64-apple-darwin16.7.0)
CPU: Intel(R) Core(TM) i7-3615QM CPU @ 2.30GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-6.0.0 (ORCJIT, ivybridge)
Environment:
JULIA_EDITOR = subl

Issue 2:
System

$ uname -a
Linux liberty 4.19.0-10-amd64 #1 SMP Debian 4.19.132-1 (2020-07-24) x86_64 GNU/Linux
$ cat /proc/cpuinfo | grep "model name"
model name : AMD Athlon(tm) II X2 255 Processor
model name : AMD Athlon(tm) II X2 255 Processor
$ julia --version
julia version 1.5.0

Expected behavior

Julia should not crash.

Actual behavior

Program crashed with Illegal instruction.

Steps to reproduce the behavior

$ julia
_
_ _ _(_)_ | Documentation: https://docs.julialang.org
(_) | (_) (_) |
_ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help.
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 1.5.0 (2020-08-01)
_/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release
|__/ |

julia> a=[1,2,3]
3-element Array{Int64,1}:
1
2
3

julia> b=[4,5,6]
3-element Array{Int64,1}:
4
5
6

julia> a*b'
Invalid instruction at 0x7fa733c9baa7: 0x66, 0x0f, 0x3a, 0x0f, 0xc0, 0x08, 0x0f, 0x29, 0x84, 0x24, 0xb0, 0x03, 0x00, 0x00, 0xe8

signal (4): Illegal instruction
in expression starting at none:0
_ZN4llvm17SLPVectorizerPass18tryToVectorizeListENS_8ArrayRefIPNS_5ValueEEERNS_13slpvectorizer7BoUpSLPEib at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN4llvm17SLPVectorizerPass22vectorizeChainsInBlockEPNS_10BasicBlockERNS_13slpvectorizer7BoUpSLPE at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN4llvm17SLPVectorizerPass7runImplERNS_8FunctionEPNS_15ScalarEvolutionEPNS_19TargetTransformInfoEPNS_17TargetLibraryInfoEPNS_9AAResultsEPNS_8LoopInfoEPNS_13DominatorTreeEPNS_15AssumptionCacheEPNS_12DemandedBitsEPNS_25OptimizationRemarkEmitterE.part.1401 at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN12_GLOBAL__N_113SLPVectorizer13runOnFunctionERN4llvm8FunctionE at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE at /usr/local/julia-1.5.0/bin/../lib/julia/libLLVM-9jl.so (unknown line)
operator() at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:520
addModule at /buildworker/worker/package_linux64/build/usr/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h:93 [inlined]
addModule at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:648
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:893 [inlined]
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:955
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:940
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:940
jl_add_to_ee at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:977 [inlined]
_jl_compile_codeinst at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:126
jl_generate_fptr at /buildworker/worker/package_linux64/build/src/jitlayers.cpp:302
jl_compile_method_internal at /buildworker/worker/package_linux64/build/src/gf.c:1964
jl_compile_method_internal at /buildworker/worker/package_linux64/build/src/gf.c:1919 [inlined]
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2224 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
display at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:214
display at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:218
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2214 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
display at ./multimedia.jl:328
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2214 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1690 [inlined]
do_apply at /buildworker/worker/package_linux64/build/src/builtins.c:655
jl_f__apply_latest at /buildworker/worker/package_linux64/build/src/builtins.c:705
#invokelatest#1 at ./essentials.jl:710 [inlined]
invokelatest at ./essentials.jl:709 [inlined]
print_response at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:238
print_response at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:223
do_respond at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:822
jfptr_do_respond_60634 at /usr/local/julia-1.5.0/lib/julia/sys.so (unknown line)
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2214 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1690 [inlined]
do_apply at /buildworker/worker/package_linux64/build/src/builtins.c:655
jl_f__apply_latest at /buildworker/worker/package_linux64/build/src/builtins.c:705
#invokelatest#1 at ./essentials.jl:710 [inlined]
invokelatest at ./essentials.jl:709 [inlined]
run_interface at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/LineEdit.jl:2355
jfptr_run_interface_59827 at /usr/local/julia-1.5.0/lib/julia/sys.so (unknown line)
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2214 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
run_frontend at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/REPL/src/REPL.jl:1143
#38 at ./task.jl:356
jfptr_YY.38_60720 at /usr/local/julia-1.5.0/lib/julia/sys.so (unknown line)
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2214 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2398
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1690 [inlined]
start_task at /buildworker/worker/package_linux64/build/src/task.c:707
unknown function (ip: (nil))
Allocations: 2546 (Pool: 2534; Big: 12); GC: 0
Illegal instruction

Commentary

This may be a problem specific to older AMD processors. Here are the flags in cpuinfo

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt hw_pstate vmmcall npt lbrv svm_lock nrip_save
bugs : tlb_mmatch apic_c1e fxsave_leak sysret_ss_attrs null_seg amd_e400 spectre_v1 spectre_v2

I tried to compile from source. Simply typing make led to an Illegal instruction. Typing make cleanall and then make again also led to an Illegal instruction. I have not tracked the source of the problem down.