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annotate gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-placement-new.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 inline void *operator new (__SIZE_TYPE__, void *__p) throw() { return __p; }
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5
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6 struct Y {
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7 Y() {}
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8 int i;
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9 };
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11 struct X {
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12 X() {}
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13 void construct(const Y& y)
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14 {
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15 new (&m_data[0]) Y(y);
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16 }
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17 bool initialized;
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18 char m_data[sizeof (Y)];
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19 };
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20
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21 void bar(const X&);
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22 void foo(Y& y)
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23 {
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24 X x;
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25 x.construct(y);
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26 x.initialized = true;
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27 bar(x);
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28 }
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