1 // RUN: %clang_cc1 -fsyntax-only -verify -Wsign-conversion -std=c++11 %s
2 
3 unsigned int test() {
4   short foo;
5   return foo; // expected-warning {{implicit conversion changes signedness}}
6 
7 }
8 
9 unsigned int test3() {
10   // For a non-defined enum, use the underlying type.
11   enum u8 : signed char;
12   u8 foo{static_cast<u8>(0)};
13   return foo; // expected-warning {{implicit conversion changes signedness}}
14 
15 }
16 unsigned int test2() {
17   // For a non-defined enum, use the underlying type.
18   enum u8 : unsigned char;
19   u8 foo{static_cast<u8>(0)};
20   return foo;
21 }
22