src/test/run-fail/assert-macro-fmt.rs - third_party/rust - Git at Google

 // error-pattern:panicked at 'test-assert-fmt 42 rust'

 fn main() {
     assert!(false, "test-assert-fmt {} {}", 42, "rust");
 }
	// error-pattern:panicked at 'test-assert-fmt 42 rust'

	fn main() {
	assert!(false, "test-assert-fmt {} {}", 42, "rust");
	}