llvm-for-llvmta/tools/clang/test/CXX/stmt.stmt/stmt.select/stmt.switch/p2-0x.cpp

41 lines
702 B
C++
Raw Permalink Normal View History

2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -std=c++11 %s -verify
// expected-no-diagnostics
struct Value {
constexpr Value(int n) : n(n) {}
constexpr operator short() const { return n; }
int n;
};
enum E { E0, E1 };
struct Alt {
constexpr operator E() const { return E0; }
};
constexpr short s = Alt();
void test(Value v) {
switch (v) {
case Alt():
case E1:
case Value(2):
case 3:
break;
}
switch (Alt a = Alt()) {
case Alt():
case E1:
case Value(2):
case 3:
break;
}
switch (E0) {
case Alt():
case E1:
// FIXME: These should produce a warning that 2 and 3 are not values of the
// enumeration.
case Value(2):
case 3:
break;
}
}