Bug b/37496321

Change-Id: I173b458a0d1d477ad75deaa33508ae1766c182c0
Reviewed-on: https://swiftshader-review.googlesource.com/9491Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>