They're not just a Clang thing.

Change-Id: Ibf66e13997dbd59ec7b1d4f9bbaf0d20ea244200
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/31669
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>