llvm-for-llvmta/tools/clang/test/PCH/late-parsed-instantiations.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -emit-pch %s -o %t.pch -verify
// RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -include-pch %t.pch %s -verify
// RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -emit-pch -fpch-instantiate-templates %s -o %t.pch -verify
// RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -include-pch %t.pch %s -verify
#ifndef HEADER_INCLUDED
#define HEADER_INCLUDED
// pr33561
class ArrayBuffer;
template <typename T> class Trans_NS_WTF_RefPtr {
public:
ArrayBuffer *operator->() { return nullptr; }
};
Trans_NS_WTF_RefPtr<ArrayBuffer> get();
template <typename _Visitor>
constexpr void visit(_Visitor __visitor) {
__visitor(get()); // expected-note {{in instantiation}}
}
class ArrayBuffer {
char data() {
visit([](auto buffer) -> char { // expected-note {{in instantiation}}
buffer->data();
}); // expected-warning {{non-void lambda does not return a value}}
} // expected-warning {{non-void function does not return a value}}
};
#else
// expected-no-diagnostics
#endif