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annotate tests/mini/union5.d @ 812:6c2ff06c4201

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Fixed a nasty bug with how interface vtables for class initializers were output, causing some class fields to be skipped. Fixed a problem in definition of ClassInfos where an invalid constant was potentially used. This needs to be looked into proper as it might happen again in the future.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Mon, 01 Dec 2008 04:37:54 +0100
parents 44f08170f4ef
children
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1 module union5;
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2
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3 union S
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4 {
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5 T t;
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parents: 341
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6 U u;
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parents: 341
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7 uint i;
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parents: 341
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8 struct {
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parents: 341
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9 ushort sl,sh;
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10 }
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parents: 341
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11 }
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44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 341
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13 struct T
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 341
diff changeset
14 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 341
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15 int i;
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parents: 341
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16 }
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44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 341
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18 struct U
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 341
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19 {
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parents: 341
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20 float f;
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21 }
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23 void main()
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24 {
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25 S s;
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26 assert(s.t.i == 0);
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27 assert(s.u.f == 0);
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28 s.t.i = -1;
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29 assert(s.i == 0xFFFF_FFFF);
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30 float f = 3.1415;
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31 s.u.f = f;
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32 uint pi = *cast(uint*)&f;
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33 assert(s.i == pi);
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34 assert(s.sl == (pi&0xFFFF));
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35 assert(s.sh == (pi>>>16));
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36 }