llvm-project/clang/test/PCH/specialization-after-instan...

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// Test this without pch.
// RUN: %clang_cc1 -fsyntax-only -verify -DBODY %s
// Test with pch.
// RUN: %clang_cc1 -emit-pch -o %t %s
// RUN: %clang_cc1 -include-pch %t -fsyntax-only -verify -DBODY %s
// RUN: %clang_cc1 -emit-pch -fpch-instantiate-templates -o %t %s
// RUN: %clang_cc1 -include-pch %t -fsyntax-only -verify -DBODY %s
#ifndef HEADER_H
#define HEADER_H
template <typename T>
struct A {
int foo() const;
};
int bar(A<double> *a) {
return a->foo();
}
#endif // HEADER_H
#ifdef BODY
template <>
int A<double>::foo() const { // expected-error {{explicit specialization of 'foo' after instantiation}} // expected-note@20 {{implicit instantiation first required here}}
return 10;
}
#endif // BODY