| 1 | // RUN: %clangxx -fsanitize=enum %s -O3 -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK |
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| 2 | |
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| 3 | // FIXME: UBSan fails to add the correct instrumentation code for some reason on |
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| 4 | // Windows. |
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| 5 | // XFAIL: target={{.*windows-msvc.*}} |
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| 6 | |
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| 7 | enum E { a = 1 }; |
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| 8 | enum class EClass { a = 1 }; |
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| 9 | enum class EBool : bool { a = 1 } e3; |
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| 10 | enum EEmpty {}; |
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| 11 | enum EMinus { em = -1 }; |
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| 12 | |
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| 13 | int main(int argc, char **argv) { |
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| 14 | E e1 = static_cast<E>(0xFFFFFFFF); |
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| 15 | EClass e2 = static_cast<EClass>(0xFFFFFFFF); |
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| 16 | EEmpty e4 = static_cast<EEmpty>(1); |
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| 17 | EEmpty e5 = static_cast<EEmpty>(2); |
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| 18 | EMinus e6 = static_cast<EMinus>(1); |
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| 19 | EMinus e7 = static_cast<EMinus>(2); |
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| 20 | |
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| 21 | for (unsigned char *p = (unsigned char *)&e3; p != (unsigned char *)(&e3 + 1); |
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| 22 | ++p) |
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| 23 | *p = 0xff; |
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| 24 | |
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| 25 | return ((int)e1 != -1) & ((int)e2 != -1) & |
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| 26 | // CHECK: error: load of value 4294967295, which is not a valid value for type 'E' |
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| 27 | ((int)e3 != -1) & ((int)e4 == 1) & |
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| 28 | // CHECK: error: load of value <unknown>, which is not a valid value for type 'enum EBool' |
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| 29 | ((int)e5 == 2) & ((int)e6 == 1) & |
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| 30 | // CHECK: error: load of value 2, which is not a valid value for type 'EEmpty' |
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| 31 | ((int)e7 == 2); |
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| 32 | // CHECK: error: load of value 2, which is not a valid value for type 'EMinus' |
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| 33 | } |
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| 34 | |
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