1 // RUN: %clangxx -fsanitize=enum %s -O3 -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-PLAIN
2 // RUN: %clangxx -fsanitize=enum -std=c++11 -DE="class E" %s -O3 -o %t && %run %t
3 // RUN: %clangxx -fsanitize=enum -std=c++11 -DE="class E : bool" %s -O3 -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-BOOL
4
5 // FIXME: UBSan fails to add the correct instrumentation code for some reason on
6 // Windows.
7 // XFAIL: win32
8
9 enum E { a = 1 } e;
10 #undef E
11
main(int argc,char ** argv)12 int main(int argc, char **argv) {
13 // memset(&e, 0xff, sizeof(e));
14 for (unsigned char *p = (unsigned char*)&e; p != (unsigned char*)(&e + 1); ++p)
15 *p = 0xff;
16
17 // CHECK-PLAIN: error: load of value 4294967295, which is not a valid value for type 'enum E'
18 // FIXME: Support marshalling and display of enum class values.
19 // CHECK-BOOL: error: load of value <unknown>, which is not a valid value for type 'enum E'
20 return (int)e != -1;
21 }
22