https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89682
Bug ID: 89682
Summary: g++9 incorrectly disallows using private static method
as default arg to ctor of template type
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: redbeard0531 at gmail dot com
Target Milestone: ---
New in GCC9. No other compiler errors on this:
https://godbolt.org/z/480KfZ
template <typename T>
class C {
class TagType {};
public:
C(int, TagType = makeTag());
private:
static TagType makeTag();
};
void test() {
C<int>(1);
}
> g++ -fsyntax-only ./creduce_repro/test.ii
./creduce_repro/test.ii: In function ‘void test()’:
./creduce_repro/test.ii:5:29: error: ‘static C<T>::TagType C<T>::makeTag()
[with T = int]’ is private within this context
5 | C(int, TagType = makeTag());
| ~~~~~~~^~
./creduce_repro/test.ii:7:20: note: declared private here
7 | static TagType makeTag();
| ^~~~~~~
