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111
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1 struct _XtTextSource {
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2 /* ... */
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3 void (* SetSelection)();
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4 /* ... */
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5 };
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6
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7 typedef struct _XtTextSource *XtTextSource;
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8
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9 typedef struct _TextPart {
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10 XtTextSource source;
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11 /* ... */
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12 } TextPart;
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13
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14 typedef struct _TextRec {
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15 /* ... */
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16 TextPart text;
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17 } TextRec;
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18
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19 typedef struct _TextRec *TextWidget;
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20
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21
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22 void XtTextUnsetSelection(w)
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23 TextWidget w; /* original is: Widget w; */
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24 {
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25 register TextWidget ctx = (TextWidget) w;
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26 void (*nullProc)() = 0;
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27
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28 /*
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29 * the following line causes the error, when optimizing:
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30 */
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31
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32 if (ctx->text.source->SetSelection != nullProc) {
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33
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34 foo();
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35
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36 }
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37 }
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