Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/g++.dg/warn/Wnull-conversion-2.C @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 // { dg-do compile }
2 // { dg-options "-Wconversion-null" }
3
4 #include <stddef.h>
5
6 class Foo {
7 public:
8 template <typename T1, typename T2>
9 static void Compare(const T1& expected, const T2& actual) { }
10
11 template <typename T1, typename T2>
12 static void Compare(const T1& expected, T2* actual) { }
13
14 };
15
16 template<typename T1>
17 class Foo2 {
18 public:
19 Foo2(int x);
20 template<typename T2> void Bar(T2 y);
21 };
22
23 template<typename T3> void func(T3 x) { }
24
25 typedef Foo2<int> MyFooType;
26
27 void func1(long int a) {
28 MyFooType *foo2 = new MyFooType(NULL); // { dg-warning "passing NULL to" }
29 foo2->Bar(a);
30 func(NULL);
31 func<int>(NULL); // { dg-warning "passing NULL to" }
32 func<int *>(NULL);
33 }
34
35 int x = 1;
36
37 main()
38 {
39 int *p = &x;
40
41 Foo::Compare(0, *p);
42 Foo::Compare<long int, int>(NULL, p); // { dg-warning "passing NULL to" }
43 Foo::Compare(NULL, p);
44 func1(NULL); // { dg-warning "passing NULL to" }
45 }