Looks like this was already resolved for 1.14.1 
<https://github.com/golang/go/issues/37459>.

On Wednesday, February 26, 2020 at 11:00:24 AM UTC-8, James Pettyjohn wrote:
>
> A little further digging shows that VZEROUPPER is part of the AVX 
> instruction set, not supported on any Apple computers prior to 2011 from 
> what I can tell.
>
> Given the rc1 code worked fine, that could be an alternative for Darwin 
> where the CPU does not support AVX. While not ideal, I'd argue it's better 
> than cutting off support for these machines which can run High Sierra. Once 
> support for High Sierra is dropped then it should not matter as it takes a 
> 2013 or later model to run anything after High Sierra.
>
> - James
>
>
>
> On Wednesday, February 26, 2020 at 10:29:33 AM UTC-8, James Pettyjohn 
> wrote:
>>
>> I am trying to run go1.14 on macOS 10.13.2 with on a late 2009 iMac with 
>> an i7 but always get the same crash:
>>
>>
>> SIGILL: illegal instruction
>> PC=0x1066040 m=0 sigcode=1
>>
>>
>> goroutine 1 [running, locked to thread]:
>> runtime.asyncPreempt()
>>         /usr/local/go/src/runtime/preempt_amd64.s:8 fp=0xc000058ef0 sp=
>> 0xc000058ee8 pc=0x1066040
>> fmt.init()
>>         /usr/local/go/src/fmt/scan.go:465 fp=0xc000058ef8 sp=0xc000058ef0 
>> pc=0x10e6540
>> runtime.doInit(0x1a80520)
>>         /usr/local/go/src/runtime/proc.go:5414 +0x8a fp=0xc000058f28 sp=
>> 0xc000058ef8 pc=0x1043aca
>> runtime.doInit(0x1a80ec0)
>>         /usr/local/go/src/runtime/proc.go:5409 +0x57 fp=0xc000058f58 sp=
>> 0xc000058f28 pc=0x1043a97
>> runtime.doInit(0x1a850c0)
>>         /usr/local/go/src/runtime/proc.go:5409 +0x57 fp=0xc000058f88 sp=
>> 0xc000058f58 pc=0x1043a97
>> runtime.main()
>>         /usr/local/go/src/runtime/proc.go:190 +0x1ce fp=0xc000058fe0 sp=
>> 0xc000058f88 pc=0x103702e
>> runtime.goexit()
>>         /usr/local/go/src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000058fe8 
>> sp=0xc000058fe0 pc=0x10647d1
>>
>>
>> rax    0x1a80520
>> rbx    0xb
>> rcx    0x0
>> rdx    0x1a80578
>> rdi    0xc0000b2020
>> rsi    0x10e6540
>> rbp    0xc000058f18
>> rsp    0xc000058ee8
>> r8     0x3277901
>> r9     0x203000
>> r10    0x8
>> r11    0x55
>> r12    0x1
>> r13    0x55555555555555
>> r14    0x171acac
>> r15    0x38
>> rip    0x1066040
>> rflags 0x10202
>> cs     0x2b
>> fs     0x0
>> gs     0x0
>>
>>
>> Which appears to be a call to VZEROUPPER in preempt_amd64.s 
>> <https://github.com/golang/go/blob/go1.14/src/runtime/preempt_amd64.s#L8>
>> .
>>
>> This was not the case in rc1, which runs just fine. I get the same 
>> results from installing it with brew, .pkg and .tgz installs - have done 
>> the install from source yet.
>>
>> Any tips would be appreciated.
>>
>

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