Go latest update to 1.14 crashes into machine code on mac os 10.11.6

[rbrooker002]

What version of Go are you using (go version)?

$ go version

Does this issue reproduce with the latest release?

What operating system and processor architecture are you using (go env)?

go env Output

$ go env

What did you do?

What did you expect to see?

What did you see instead?

[rbrooker002]

Here is the crash info in the terminal after I followed all instruction on updating go on mac osbuild hello.go
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=0xc00004cef0 sp=0xc00004cee8 pc=0x1066040
fmt.init()
/usr/local/go/src/fmt/scan.go:465 fp=0xc00004cef8 sp=0xc00004cef0 pc=0x10e6540
runtime.doInit(0x1a80520)
/usr/local/go/src/runtime/proc.go:5414 +0x8a fp=0xc00004cf28 sp=0xc00004cef8 pc=0x1043aca
runtime.doInit(0x1a80ec0)
/usr/local/go/src/runtime/proc.go:5409 +0x57 fp=0xc00004cf58 sp=0xc00004cf28 pc=0x1043a97
runtime.doInit(0x1a850c0)
/usr/local/go/src/runtime/proc.go:5409 +0x57 fp=0xc00004cf88 sp=0xc00004cf58 pc=0x1043a97
runtime.main()
/usr/local/go/src/runtime/proc.go:190 +0x1ce fp=0xc00004cfe0 sp=0xc00004cf88 pc=0x103702e
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:1373 +0x1 fp=0xc00004cfe8 sp=0xc00004cfe0 pc=0x10647d1

rax 0x1a80520
rbx 0xb
rcx 0x0
rdx 0x1a80578
rdi 0xc000092180
rsi 0x10e6540
rbp 0xc00004cf18
rsp 0xc00004cee8
r8 0x2910490d
r9 0x203000
r10 0x2
r11 0x11
r12 0xf5
r13 0x55555555555555
r14 0x171acac
r15 0x38
rip 0x1066040
rflags 0x10202
cs 0x2b
fs 0x0
gs 0x0

[ianlancetaylor]

Dup of #37459.