When the build fails, it's very hard to find the compiler error in the spam.

Change-Id: Ic975f0a075e4104db82a58ef03e1ba643e520fe2
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26031
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>