https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99274
Nathaniel Shead <nshead at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |nshead at gcc dot gnu.org
Assignee|nathan at gcc dot gnu.org |nshead at gcc dot
gnu.org
--- Comment #2 from Nathaniel Shead <nshead at gcc dot gnu.org> ---
Reduced:
// 99274_a.H
template <typename T, typename U = int> struct S;
// 99274_b.H
template <typename T, typename U> struct S;
import "99274_a.H";
template <typename = S<int>> struct Q;
g++-15 -fmodules-ts 99274_*:
99274_b.H:3:24: error: wrong number of template arguments (1, should be 2)
3 | template <typename = S<int>> struct Q;
| ^~~
99274_b.H:1:42: note: provided for ‘template<class T, class U> struct S’
1 | template <typename T, typename U> struct S;
| ^
99274_b.H: warning: not writing module ‘./99274_b.H’ due to errors
It looks like we currently don't merge default arguments for templates.
