#include <stdio.h> int main(void) { int foo = 1; if (foo = 2) { } }
Standard input is empty
prog.c: In function 'main':
prog.c:6:5: error: suggest parentheses around assignment used as truth value [-Werror=parentheses]
     if (foo = 2)
     ^
cc1: all warnings being treated as errors
		
		
	
	Standard output is empty