derek.holloway
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55 lines
1022 B
C++
55 lines
1022 B
C++
// XFAIL: *
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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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// 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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// 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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// 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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// RUN: %clangxx -o %t5 %s
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// RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
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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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#include <stdio.h>
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#include "utils.h"
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struct A {
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virtual void f();
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};
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void A::f() {}
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struct B : A {
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virtual void f();
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};
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void B::f() {}
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struct C : A {
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};
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int main() {
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create_derivers<B>();
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B *b = new B;
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break_optimization(b);
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// CFI: 1
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// NCFI: 1
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fprintf(stderr, "1\n");
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((C *)b)->f(); // UB here
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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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