level of indirection because STRINGIFY(X) produces "X" regardless of
what value X is defined to be.

Bug: b/174801963
Change-Id: I1b2c1c987417ee1a97e109b52f41bdc865db8c77
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/50908Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>