I assume he meant this patch.
You need to add the NORETURN attribute to
- LongJump: /MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
- InternalLongJump: /MdePkg/Library/BaseLib/BaseLibInternals.h b/MdePkg/Library/BaseLib/BaseLibInternals.h