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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -fsyntax-only -verify %s
// Some bad declarations
hlsl::vector ShouldWorkSomeday; // expected-error{{use of alias template 'hlsl::vector' requires template arguments}}
// expected-note@*:* {{template declaration from hidden source: template <class element = float, int element_count = 4> using vector = vector<element, element_count>}}
hlsl::vector<1> BadVec; // expected-error{{template argument for template type parameter must be a type}}
// expected-note@*:* {{template parameter from hidden source: class element = float}}
hlsl::vector<int, float> AnotherBadVec; // expected-error{{template argument for non-type template parameter must be an expression}}
// expected-note@*:* {{template parameter from hidden source: int element_count = 4}}
hlsl::vector<int, 2, 3> YABV; // expected-error{{too many template arguments for alias template 'vector'}}
// expected-note@*:* {{template declaration from hidden source: template <class element = float, int element_count = 4> using vector = vector<element, element_count>}}
// This code is rejected by clang because clang puts the HLSL built-in types
// into the HLSL namespace.
namespace hlsl {
struct vector {}; // expected-error {{redefinition of 'vector'}}
}
// This code is rejected by dxc because dxc puts the HLSL built-in types
// into the global space, but clang will allow it even though it will shadow the
// vector template.
struct vector {}; // expected-note {{candidate found by name lookup is 'vector'}}
vector<int,2> VecInt2; // expected-error {{reference to 'vector' is ambiguous}}
// expected-note@*:* {{candidate found by name lookup is 'hlsl::vector'}}
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