55 lines
		
	
	
		
			1022 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1022 B
		
	
	
	
		
			C++
		
	
	
	
| // XFAIL: *
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| 
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| // RUN: %clangxx_cfi -o %t1 %s
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| // RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s
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| 
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| // RUN: %clangxx_cfi -DB32 -o %t2 %s
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| // RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s
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| 
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| // RUN: %clangxx_cfi -DB64 -o %t3 %s
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| // RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s
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| 
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| // RUN: %clangxx_cfi -DBM -o %t4 %s
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| // RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s
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| 
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| // RUN: %clangxx -o %t5 %s
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| // RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
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| 
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| // Tests that the CFI enforcement distinguishes between non-overriding siblings.
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| // XFAILed as not implemented yet.
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| 
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| #include <stdio.h>
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| #include "utils.h"
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| 
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| struct A {
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|   virtual void f();
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| };
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| 
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| void A::f() {}
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| 
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| struct B : A {
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|   virtual void f();
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| };
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| 
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| void B::f() {}
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| 
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| struct C : A {
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| };
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| 
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| int main() {
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|   create_derivers<B>();
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| 
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|   B *b = new B;
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|   break_optimization(b);
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| 
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|   // CFI: 1
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|   // NCFI: 1
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|   fprintf(stderr, "1\n");
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| 
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|   ((C *)b)->f(); // UB here
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| 
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|   // CFI-NOT: 2
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|   // NCFI: 2
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|   fprintf(stderr, "2\n");
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| }
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