http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57712
Bug ID: 57712
Summary: GCC fails to to match out-of-line template member
function definition with declaration
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: st at quanttec dot com
g++ 4.8.1 fails to compile the following C++11 code:
struct Test {
int method(int value) { return value; }
template <typename T>
auto test(T value) -> decltype(this->method(value));
};
template <typename T>
auto Test::test(T value) -> decltype(this->method(value)) {
return this->method(value);
}
int main() {
Test t;
return t.test(0);
}
> g++ --std=c++11 test.cpp
test.cpp:9:6: error: prototype for ‘decltype (this->.Test::method(value))
Test::test(T)’ does not match any in class ‘Test’
auto Test::test(T value) -> decltype(this->method(value)) {
^
test.cpp:5:8: error: candidate is: template<class T> decltype
(this->.Test::method(value)) Test::test(T)
auto test(T value) -> decltype(this->method(value));
If the member function is defined inline, gcc compiles it fine.
