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annotate gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape-3.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -Wstrict-aliasing" } */
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3
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4 struct Node_base {};
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5
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6 struct Node : Node_base
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7 {
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8 int data;
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9 };
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10
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11 struct List
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12 {
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13 Node_base node, *prev;
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14
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15 List() : prev(&node) { xyz(); }
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16
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17 void xyz();
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18
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19 int back() { return static_cast<Node*>(prev)->data; }
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20 };
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21
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22 struct A
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23 {
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24 virtual ~A();
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25 };
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26
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27 A* foo();
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28
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29 void bar()
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30 {
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31 List y;
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32 if (y.back())
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33 delete foo();
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34 }
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