src/test/run-pass/cfg/cfg-target-vendor.rs - toolchain/rustc - Git at Google

 // run-pass
 #[cfg(target_vendor = "unknown")]
 pub fn main() {
 }

 #[cfg(not(target_vendor = "unknown"))]
 pub fn main() {
 }
	// run-pass
	#[cfg(target_vendor = "unknown")]
	pub fn main() {
	}

	#[cfg(not(target_vendor = "unknown"))]
	pub fn main() {
	}