test/LLVMC/C/wall.c - llvm - Git at Google

 /*
  * Check that -Wall works as intended
  * RUN: llvmc -Wall %s -o %t
  * RUN: %abs_tmp | grep hello
  * XFAIL: vg_leak
  */

 #include <stdio.h>

 int main() {
     printf("hello\n");
     return 0;
 }
	/*
	* Check that -Wall works as intended
	* RUN: llvmc -Wall %s -o %t
	* RUN: %abs_tmp \| grep hello
	* XFAIL: vg_leak
	*/

	#include <stdio.h>

	int main() {
	printf("hello\n");
	return 0;
	}