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1 // { dg-do compile }
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2
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3 // Copyright (C) 2003 Free Software Foundation, Inc.
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4 // Contributed by Nathan Sidwell 20 Apr 2003 <nathan@codesourcery.com>
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5
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6 // PR 10337, unneeded warning
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7
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8 class A {
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9 public:
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10 A() {}
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11 };
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12
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13 class B : public A {
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14 public:
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15 B() {}
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16 void operator=(const A& b) {}
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17 void operator=(const B& b) {}
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18 };
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19
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20 class C {
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21 public:
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22 C() {}
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23 operator B &() { return _b; }
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24 operator const B &() const { return _b; }
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25
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26 B _b;
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27 };
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28
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29 int main() {
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30 B b;
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31 C c;
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32 b = c;
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33 }
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