arm64: get_Dwarf_Reg: at least handle the case of requesting XSP
instead of failing.  This makes some of the memcheck/tests/varinfo*
tests work somewhat correctly on arm64-linux.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14164 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed