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