https://github.com/ARM-software/abi-aa/blob/main/clibabi32/clibabi32.rst#setjmph

> In deference to VFP, XScale Wireless MMX, and other co-processors manipulating 8-byte aligned types, a jmp_buf must be 8-byte aligned.


[libc][arm][setjmp/longjmp] align jmp_buf to 8B
This is a GitHub Issue
repo:llvm-project
owner:llvm
Title : [libc][arm][setjmp/longjmp] align jmp_buf to 8B
Issue date:

--- start body ---
https://github.com/ARM-software/abi-aa/blob/main/clibabi32/clibabi32.rst#setjmph

> In deference to VFP, XScale Wireless MMX, and other co-processors manipulating 8-byte aligned types, a jmp_buf must be 8-byte aligned.


--- end body ---
