SAP offsets should be 64 bits

Just hard-code 64 like for alpha for now.  We can fix this up later.
2 jobs for rtoy-amd64-p1 in 8 minutes and 47 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #4174
linux
linux-runner

00:04:28

passed #4175
osx
osx-runner

00:08:46