https://llvm.org/bugs/show_bug.cgi?id=23973
Bug ID: 23973
Summary: Template specialization of non-type template parameter
with variadic dependence is not picked
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Clang rejects the testcase below with
error: implicit instantiation of undefined template 'Variadic'
GCC does not complain.
Replacing the variadic template with a non variadic one works.
template <typename... Args>
using handler_t = void(*)(Args...);
template <typename HandlerType>
struct Variadic;
template <typename... Args>
struct Variadic<handler_t<Args...>> {
};
/*
// This works
template <typename T>
struct Variadic<handler_t<T>> {
};
*/
void test() {
Variadic<handler_t<int>> b;
}
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