test/Parser/expressions.m - clang - Git at Google

 // RUN: clang-cc -parse-noop %s

 void test1() {
   @"s";            // expected-warning {{expression result unused}}
 }
	// RUN: clang-cc -parse-noop %s

	void test1() {
	@"s"; // expected-warning {{expression result unused}}
	}