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// { dg-do assemble } template <int I> struct S {}; template <int J> void foo(S<J + 2>); // { dg-message "note" } void bar() { foo(S<3>()); // { dg-error "" } no way to deduce J from this. // { dg-message "candidate" "candidate note" { target *-*-* } 11 } }