https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118582
Nathaniel Shead <nshead at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Ever confirmed|0 |1
Last reconfirmed| |2025-01-21
Assignee|unassigned at gcc dot gnu.org |nshead at gcc dot
gnu.org
--- Comment #1 from Nathaniel Shead <nshead at gcc dot gnu.org> ---
Reduced:
// a.hpp
template <typename> struct I;
template <typename T>
requires (!requires { T::x; })
struct I<T> {
using type = int;
};
template <typename>
struct R {
friend void f();
};
// b.hpp
import "a.hpp";
using T = I<R<int>>::type;
// c.hpp
import "b.hpp";
g++ -std=c++26 -fmodules -fno-module-lazy [abc].hpp:
In module imported at c.hpp:1:1:
./b.hpp: error: failed to read compiled module cluster 1: Bad file data
./b.hpp: note: compiled module file is ‘gcm.cache/,/b.hpp.gcm’
./b.hpp: error: failed to read compiled module: Bad file data
./b.hpp: fatal error: returning to the gate for a mechanical issue
compilation terminated.
