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1 // PR c++/69290 - [6 Regression] g++ ICE on invalid initialization
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2 // of a flexible array member
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3 // { dg-do compile }
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4
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5 // Suppress pedantic errors about initialization of a flexible array member.
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6 // { dg-options "-Wno-pedantic" }
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7
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8 struct A {
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9 int a []; // { dg-error "flexible array member .A::a. in an otherwise empty .struct A." }
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10 };
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11
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12 void f1 ()
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13 {
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14 // This is the meat of the test from c++/69290:
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15 static struct A a
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16 = { "c" }; // { dg-error "invalid conversion from .const char\\*. to .int." }
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17
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18 (void)&a;
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19 }
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20
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21
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22 // Exercise other forms of invalid initialization besides the one in the bug.
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23 struct B {
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24 int n;
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25 int a [];
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26 };
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27
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28 void f2 ()
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29 {
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30 static struct B b1
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31 = { 0, "c" }; // { dg-error "invalid conversion from .const char\\*. to .int." }
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32
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33 (void)&b1;
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34
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35 const char s[] = "c";
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36 static struct B b2
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37 = { 0, s }; // { dg-error "invalid conversion from .const char\\*. to .int." }
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38
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39 (void)&b2;
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40 }
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41
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42 struct D {
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43 int a []; // { dg-error "flexible array member .D::a. in an otherwise empty .struct D." }
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44 D ();
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45 };
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46
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47 D::D (): // { dg-error "initializer for flexible array member" }
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48 a ("c") // the initializer also has an invalid type but emitting
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49 // just the error above is sufficient
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50 { }
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51
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52
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53 template <class T>
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54 struct C {
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55 T a []; // { dg-error "flexible array member" }
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56 };
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57
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58 void f3 ()
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59 {
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60 static struct C<double> cd
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61 = { "c" }; // { dg-error "cannot convert .const char\\*. to .double." }
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62
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63 (void)&cd;
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64 }
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