Call VG_(unknown_SP_update) each time we switch to a new thread. This
ensures that current_stack is switched to the new thread's stack so
that we don't ignore the next stack update and hence fail to mark
memory that should be valid as valid.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5070 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed