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1 // I, Howard Hinnant, hereby place this code in the public domain.
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2
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3 // Test that the implicit object parameter is *not* an rvalue reference, but is instead
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4 // identical to that specified in C++03. That is, the implicit object parameter is
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5 // an lvalue reference that can bind to an rvalue. :-\
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6 // See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html under the
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7 // section "Revision 1 Summary and Rationale" for more details.
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8
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9 // { dg-do compile { target c++11 } }
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10 // { dg-skip-if "packed attribute missing for struct one" { "epiphany-*-*" } }
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11
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12 template <bool> struct sa;
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13 template <> struct sa<true> {};
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14
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15 struct one {long x[1];};
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16 struct two {long x[2];};
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17
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18 struct os
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19 {
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20 one operator<<(int);
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21 };
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22
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23 struct A
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24 {
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25 A(int);
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26 };
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27
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28 two operator<<(os&, const A&);
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29
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30 void test()
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31 {
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32 os o;
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33 sa<sizeof(o << 1) == 1 * sizeof(long)> t1; // Calls os::operator<<(int)
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34 // Would be ambiguous if the implicit object parameter
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35 // was an rvalue reference.
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36 }
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37
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38 int main()
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39 {
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40 return 0;
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41 }
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