We need to have the host code close to the generated code to improve
branch prediction performance on some s390 systems. This change will
move valgrind text close to the initial aspace start for valgrind
allocations.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13688 a5019735-40e9-0310-863c-91ae7b9d1cf9