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111
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1 // { dg-do compile }
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2 // { dg-options "-Wconversion-null" }
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3
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4 #include <stddef.h>
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5
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6 class Foo {
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7 public:
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8 template <typename T1, typename T2>
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9 static void Compare(const T1& expected, const T2& actual) { }
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10
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11 template <typename T1, typename T2>
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12 static void Compare(const T1& expected, T2* actual) { }
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13
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14 };
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15
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16 template<typename T1>
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17 class Foo2 {
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18 public:
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19 Foo2(int x);
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20 template<typename T2> void Bar(T2 y);
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21 };
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22
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23 template<typename T3> void func(T3 x) { }
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24
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25 typedef Foo2<int> MyFooType;
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26
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27 void func1(long int a) {
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28 MyFooType *foo2 = new MyFooType(NULL); // { dg-warning "passing NULL to" }
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29 foo2->Bar(a);
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30 func(NULL);
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31 func<int>(NULL); // { dg-warning "passing NULL to" }
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32 func<int *>(NULL);
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33 }
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34
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35 int x = 1;
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36
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131
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37 int
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111
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38 main()
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39 {
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40 int *p = &x;
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41
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42 Foo::Compare(0, *p);
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43 Foo::Compare<long int, int>(NULL, p); // { dg-warning "passing NULL to" }
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44 Foo::Compare(NULL, p);
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45 func1(NULL); // { dg-warning "passing NULL to" }
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131
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46
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47 return 0;
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111
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48 }
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