// Example from issue 1125 drafting; D() and v were well-formed with the // wording approved in Rapperswil, now seems they should be ill-formed. // { dg-options "-std=c++0x -pedantic-errors" } struct B { constexpr B(int x) : i(0) { } // "x" is unused int i; }; int global; // { dg-message "not const" } struct D : B { constexpr D() : B(global) { } // { dg-error "global|argument" } }; struct A2 { constexpr A2(bool b, int x) : m(b ? 42 : x) { } int m; }; // ok, constructor call initializes m with the value 42 after substitution constexpr int v = A2(true, global).m; // { dg-error "global" } // error: initializer for m is "x", which is non-constant constexpr int w = A2(false, global).m; // { dg-error "global" }