64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
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// RUN: rm -rf %t
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -verify -fmodules-cache-path=%t -fno-modules-error-recovery -I %S/Inputs/template-default-args -std=c++11 %s -DBEGIN= -DEND=
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -verify -fmodules-cache-path=%t -fno-modules-error-recovery -I %S/Inputs/template-default-args -std=c++11 %s -DBEGIN="namespace N {" -DEND="}"
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BEGIN
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template<typename T> struct A;
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template<typename T> struct B;
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template<typename T> struct C;
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template<typename T = int> struct D;
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template<typename T = int> struct E {};
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template<typename T> struct H {};
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template<typename T = int, typename U = int> struct I {};
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END
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#include "b.h"
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#include "d.h"
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BEGIN
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template<typename T = int> struct A {};
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template<typename T> struct B {};
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template<typename T = int> struct B;
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template<typename T = int> struct C;
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template<typename T> struct D {};
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template<typename T> struct F {};
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template<typename T> struct G {};
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template<typename T> struct J {};
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template<typename T = int> struct J;
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struct K : J<> {};
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END
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#include "c.h"
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BEGIN
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A<> a;
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B<> b;
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extern C<> c;
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D<> d;
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E<> e;
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F<> f;
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G<> g; // expected-error {{missing '#include "a.h"'; default argument of 'G' must be defined before it is used}}
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// expected-note@a.h:7 {{default argument declared here is not reachable}}
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H<> h; // expected-error {{missing '#include "a.h"'; default argument of 'H' must be defined before it is used}}
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// expected-note@a.h:8 {{default argument declared here is not reachable}}
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I<> i;
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L<> *l;
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END
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namespace DeferredLookup {
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template<typename T, typename U = T> using X = U;
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template<typename T> void f() { (void) X<T>(); }
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template<typename T> int n = X<T>(); // expected-warning {{extension}}
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template<typename T> struct S { X<T> xt; enum E : int; };
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template<typename T> enum S<T>::E : int { a = X<T>() };
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void test() {
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f<int>();
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n<int> = 1;
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S<int> s;
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S<int>::E e = S<int>::E::a;
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Indirect::B<int>::C<int> indirect;
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}
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}
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