On OS X Catalina, running 'solve' in DifferentialEquations causes crash

General Usage
22

Sorry about that.

julia> versioninfo(); @code_native debuginfo=:none mysum(x)
Julia Version 1.4.2
Commit 44fa15b150* (2020-05-23 18:35 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin18.7.0)
  CPU: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-8.0.1 (ORCJIT, goldmont)
	.section	__TEXT,__text,regular,pure_instructions
	movq	8(%rdi), %rax
	testq	%rax, %rax
	jle	L26
	movq	(%rdi), %rcx
	cmpq	$16, %rax
	jae	L31
	vxorpd	%xmm0, %xmm0, %xmm0
	xorl	%edx, %edx
	jmp	L130
L26:
	vxorps	%xmm0, %xmm0, %xmm0
	retq
L31:
	movq	%rax, %rdx
	leaq	96(%rcx), %rsi
	vxorpd	%xmm0, %xmm0, %xmm0
	vxorpd	%xmm1, %xmm1, %xmm1
	vxorpd	%xmm2, %xmm2, %xmm2
	vxorpd	%xmm3, %xmm3, %xmm3
	andq	$-16, %rdx
	movq	%rdx, %rdi
	nopl	(%rax)
L64:
	vaddpd	-96(%rsi), %ymm0, %ymm0
	vaddpd	-64(%rsi), %ymm1, %ymm1
	vaddpd	-32(%rsi), %ymm2, %ymm2
	vaddpd	(%rsi), %ymm3, %ymm3
	subq	$-128, %rsi
	addq	$-16, %rdi
	jne	L64
	vaddpd	%ymm0, %ymm1, %ymm0
	cmpq	%rdx, %rax
	vaddpd	%ymm0, %ymm2, %ymm0
	vaddpd	%ymm0, %ymm3, %ymm0
	vextractf128	$1, %ymm0, %xmm1
	vaddpd	%ymm1, %ymm0, %ymm0
	vpermilpd	$1, %xmm0, %xmm1 ## xmm1 = xmm0[1,0]
	vaddpd	%xmm1, %xmm0, %xmm0
	je	L158
L130:
	subq	%rdx, %rax
	leaq	(%rcx,%rdx,8), %rcx
	nopl	(%rax)
L144:
	vaddsd	(%rcx), %xmm0, %xmm0
	addq	$8, %rcx
	addq	$-1, %rax
	jne	L144
L158:
	vzeroupper
	retq
	nopw	%cs:(%rax,%rax)
	nopl	(%rax)

julia> versioninfo(); @code_native debuginfo=:none mysum(x)
Julia Version 1.6.0-DEV.306
Commit 59b8dde7c1 (2020-06-26 09:21 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin18.7.0)
  CPU: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-9.0.1 (ORCJIT, icelake-client)
	.section	__TEXT,__text,regular,pure_instructions
	movq	8(%rdi), %rax
	testq	%rax, %rax
	jle	L29
	movq	(%rdi), %rcx
	cmpq	$32, %rax
	jae	L34
	vxorpd	%xmm0, %xmm0, %xmm0
	xorl	%edx, %edx
	jmp	L160
L29:
	vxorps	%xmm0, %xmm0, %xmm0
	retq
L34:
	movl	%eax, %esi
	andl	$31, %esi
	movq	%rax, %rdx
	subq	%rsi, %rdx
	vxorpd	%xmm0, %xmm0, %xmm0
	xorl	%esi, %esi
	vxorpd	%xmm1, %xmm1, %xmm1
	vxorpd	%xmm2, %xmm2, %xmm2
	vxorpd	%xmm3, %xmm3, %xmm3
	nop
L64:
	vaddpd	(%rcx,%rsi,8), %zmm0, %zmm0
	vaddpd	64(%rcx,%rsi,8), %zmm1, %zmm1
	vaddpd	128(%rcx,%rsi,8), %zmm2, %zmm2
	vaddpd	192(%rcx,%rsi,8), %zmm3, %zmm3
	addq	$32, %rsi
	cmpq	%rsi, %rdx
	jne	L64
	vaddpd	%zmm0, %zmm1, %zmm0
	vaddpd	%zmm0, %zmm2, %zmm0
	vaddpd	%zmm0, %zmm3, %zmm0
	vextractf64x4	$1, %zmm0, %ymm1
	vaddpd	%zmm1, %zmm0, %zmm0
	vextractf128	$1, %ymm0, %xmm1
	vaddpd	%xmm1, %xmm0, %xmm0
	vpermilpd	$1, %xmm0, %xmm1 ## xmm1 = xmm0[1,0]
	vaddsd	%xmm1, %xmm0, %xmm0
	cmpq	%rdx, %rax
	je	L173
L160:
	vaddsd	(%rcx,%rdx,8), %xmm0, %xmm0
	incq	%rdx
	cmpq	%rdx, %rax
	jne	L160
L173:
	vzeroupper
	retq
	nopw	%cs:(%rax,%rax)
	nopl	(%rax,%rax)