24 lines
		
	
	
		
			603 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			603 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| 
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| int foo(int x) {
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|   return x == x; // expected-warning {{self-comparison always evaluates to true}}
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| }
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| 
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| struct X {
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|   bool operator==(const X &x);
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| };
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| 
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| struct A {
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|   int x;
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|   X x2;
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|   int a[3];
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|   int b[3];
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|   bool f() { return x == x; } // expected-warning {{self-comparison always evaluates to true}}
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|   bool g() { return x2 == x2; } // no-warning
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|   bool h() { return a == b; } // expected-warning {{array comparison always evaluates to false}}
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|   bool i() {
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|     int c[3];
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|     return a == c; // expected-warning {{array comparison always evaluates to false}}
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|   }
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| };
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