in response to a mixed-units (bytes and words) error we had involving
VGA_STACK_REDZONE_SIZE (which is now VGA_STACK_REDZONE_SZB).
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3639
for small examples on x86. Still messy, slow, amd64 specifics not
done, and non-null cie.augmentations are not handled.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3582