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111
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1 /* Tests for _FloatN / _FloatNx types: test erroneous code. */
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2 /* { dg-do compile } */
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3 /* { dg-options "" } */
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4 /* { dg-add-options float32 } */
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5 /* { dg-add-options float64 } */
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6 /* { dg-add-options float32x } */
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7 /* { dg-require-effective-target float32 } */
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8 /* { dg-require-effective-target float32x } */
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9 /* { dg-require-effective-target float64 } */
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10
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11 /* _FloatN, _FloatNx and standard types are incompatible even if they
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12 have the same ABI. */
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13
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14 extern float a; /* { dg-message "previous declaration" } */
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15 extern _Float32 a; /* { dg-error "conflicting" } */
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16
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17 extern double b; /* { dg-message "previous declaration" } */
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18 extern _Float32x b; /* { dg-error "conflicting" } */
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19
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20 extern _Float64 c; /* { dg-message "previous declaration" } */
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21 extern _Float32x c; /* { dg-error "conflicting" } */
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22
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23 /* These types are not promoted in old-style function definitions. */
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24
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25 void f (_Float32);
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26 void
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27 f (x)
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28 _Float32 x;
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29 {
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30 }
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31
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32 void g (double); /* { dg-error "prototype declaration" } */
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33 void
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34 g (x)
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35 _Float32 x; /* { dg-error "match prototype" } */
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36 {
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37 }
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38
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39 void h (_Float64); /* { dg-error "prototype declaration" } */
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40 void
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41 h (x)
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42 _Float32 x; /* { dg-error "match prototype" } */
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43 {
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44 }
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