db05f1fb08
type. But a glvalue can be reinterpret_cast to either flavor of reference. llvm-svn: 155789
20 lines
846 B
C++
20 lines
846 B
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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// If T is an lvalue reference type or an rvalue reference to function
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// type, the result is an lvalue; if T is an rvalue reference to
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// object type, the result is an xvalue;
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unsigned int f(int);
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template<typename T> T&& xvalue();
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void test_classification(char *ptr) {
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int (&fr0)(int) = reinterpret_cast<int (&&)(int)>(f);
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int &&ir0 = reinterpret_cast<int &&>(*ptr);
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int &&ir1 = reinterpret_cast<int &&>(0); // expected-error {{rvalue to reference type}}
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int &&ir2 = reinterpret_cast<int &&>('a'); // expected-error {{rvalue to reference type}}
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int &&ir3 = reinterpret_cast<int &&>(xvalue<char>());
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// Per DR1268, reinterpret_cast can convert between lvalues and xvalues.
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int &ir4 = reinterpret_cast<int &>(xvalue<char>());
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int &&ir5 = reinterpret_cast<int &&>(*ptr);
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}
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