Home | History | Annotate | Download | only in Misc
      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 
     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