Bug swiftshader:11

Change-Id: I50bb9c6bf7bbe21630bd5f1eb5e0aa0aeb06fdb3
Reviewed-on: https://swiftshader-review.googlesource.com/7393Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>