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50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
// RUN: %clang_cc1 -fsyntax-only %s -std=c++26 -verify=expected,notree
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// RUN: %clang_cc1 -fsyntax-only %s -std=c++26 -fno-elide-type -verify=expected,notree
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// RUN: %clang_cc1 -fsyntax-only %s -std=c++26 -fdiagnostics-show-template-tree -verify=expected,tree
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// RUN: %clang_cc1 -fsyntax-only %s -std=c++26 -fno-elide-type -fdiagnostics-show-template-tree -verify=expected,tree
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namespace GH93068 {
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int n[2];
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template <auto> struct A {}; // #A
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namespace t1 {
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// notree-error@#1 {{no viable conversion from 'A<0>' to 'A<n + 1>'}}
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/* tree-error@#1 {{no viable conversion
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A<
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[0 != n + 1]>}}*/
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A<n + 1> v1 = A<0>(); // #1
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// expected-note@#A {{no known conversion from 'A<0>' to 'const A<&n[1]> &' for 1st argument}}
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// expected-note@#A {{no known conversion from 'A<0>' to 'A<&n[1]> &&' for 1st argument}}
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// notree-error@#2 {{no viable conversion from 'A<n>' to 'A<n + 1>'}}
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/* tree-error@#2 {{no viable conversion
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A<
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[n != n + 1]>}}*/
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A<n + 1> v2 = A<n>(); // #2
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// expected-note@#A {{no known conversion from 'A<n>' to 'const A<&n[1]> &' for 1st argument}}
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// expected-note@#A {{no known conversion from 'A<n>' to 'A<&n[1]> &&' for 1st argument}}
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} // namespace t1
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namespace t2 {
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A<n> v1;
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A<n + 1> v2;
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// notree-note@#A {{no known conversion from 'A<n>' to 'const A<(no argument)>' for 1st argument}}
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// notree-note@#A {{no known conversion from 'A<n>' to 'A<(no argument)>' for 1st argument}}
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/* tree-note@#A {{no known conversion from argument type to parameter type for 1st argument
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[(no qualifiers) != const] A<
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[n != (no argument)]>}}*/
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/* tree-note@#A {{no known conversion from argument type to parameter type for 1st argument
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A<
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[n != (no argument)]>}}*/
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void f() { v2 = v1; } // expected-error {{no viable overloaded '='}}
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} // namespace t2
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} // namespace GH93068
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