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111
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1 // { dg-do run }
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2 // Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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3 // Contributed by Nathan Sidwell 28 Nov 2000 <nathan@codesourcery.com>
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4
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5 // Related to bug 91. We'd not preserve constness accessing a member of the
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6 // source type in copy ctor and assignment op.
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7
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8 #include <stdio.h>
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9
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10 int value = 0;
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11
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12 struct A
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13 {
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14 A() {}
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15
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16 A( A& arg)
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17 { printf ("%s\n", __PRETTY_FUNCTION__); value = 1;}
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18
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19 A( const A& arg)
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20 { printf ("%s\n", __PRETTY_FUNCTION__); value = 2;}
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21
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22 A& operator=( A& )
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23 { printf ("%s\n", __PRETTY_FUNCTION__); value = 3; return *this; }
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24
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25 A& operator=( const A& )
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26 { printf ("%s\n", __PRETTY_FUNCTION__); value = 4; return *this; }
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27 };
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28
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29 struct B
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30 {
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31 A a;
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32 B () {}
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33 };
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34
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35 void foo( A& )
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36 {
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37 printf ("%s\n", __PRETTY_FUNCTION__); value = 5;
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38 }
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39
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40 void foo( const A& )
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41 {
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42 printf ("%s\n", __PRETTY_FUNCTION__); value = 6;
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43 }
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44
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45 int main()
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46 {
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47 const A a0;
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48 value = 0; printf ("A(cA) : "); A a1(a0); if (value != 2) return 1;
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49 value = 0; printf ("A(A ) : "); A a2(a1); if (value != 1) return 2;
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50
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51 const B b0;
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52 value = 0; printf ("B(cB) : "); B b1(b0); if (value != 2) return 3;
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53 value = 0; printf ("B(B ) : "); B b2(b1); if (value != 2) return 4;
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54
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55 value = 0; printf ("A= cA : "); a1 = a0; if (value != 4) return 5;
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56 value = 0; printf ("A= A : "); a1 = a2; if (value != 3) return 6;
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57 value = 0; printf ("B= cB : "); b1 = b0; if (value != 4) return 7;
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58 value = 0; printf ("B= B : "); b1 = b2; if (value != 4) return 8;
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59
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60 value = 0; printf ("foo(cB): "); foo(b0.a); if (value != 6) return 9;
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61 value = 0; printf ("foo(B ): "); foo(b2.a); if (value != 5) return 10;
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62
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63 return 0;
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64 }
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