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111
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1 // { dg-do compile }
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2 // { dg-options "-std=gnu++98" }
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3 // Origin: <tilps at hotmail dot com>
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4 // c++/9154: poor error message for ">>" vs "> >" in template argument list
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5
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6
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7 /*
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8 * Test that the error message is issued properly
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9 */
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10 template <class T>
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11 class A {};
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12
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13 A<A<int>> blah; // { dg-error "should be '> >' within" }
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14 A<int>> blah2; // { dg-error "spurious '>>'" }
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15
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16
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17 /*
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18 * Test that a few valid constructs containing a ">>" token in a
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19 * template argument list are handled correctly.
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20 */
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21 template <int N>
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22 void B(void) {}
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23
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24 int Btest()
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25 {
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26 B<256 >> 4>();
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27 }
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28
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29 template <int N = 123>>4>
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30 struct C {};
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31
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32 template <int> struct D {};
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33 template <typename> struct E {};
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34
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35 E<D< 1>>2 > > E1;
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36
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37 const int x = 0;
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38 E<D< 1>>x > > E2;
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39
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40 template <int> struct F {
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41 typedef int I;
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42 };
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43
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44 template <typename T = F< 1>>2 >::I>
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45 struct G {};
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46
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47 /*
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48 * In this special case, a valid type-id (H() is a function type) is followed
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49 * by '>>', but the argument should still be parsed as an expression, which
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50 * will then be rejected as non-constant expression.
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51 */
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52 struct H
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53 {
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54 int operator >>(int);
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55 };
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56
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57 template <int V> struct L {};
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58 L<H() >> 5> l; // { dg-error "" "non-constant" }
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59
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60
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61 /*
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62 * This case used to not emit the nice error message because of a typo
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63 * in the code.
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64 */
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65 template <void (*)(void)>
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66 struct K {};
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67
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68 void KFunc(void);
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69
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70 A<K<&KFunc>> k1; // { dg-error "" }
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71 K<&KFunc>> k2; // { dg-error "" }
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