File: class-base-member-init.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (110 lines) | stat: -rw-r--r-- 2,811 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s

class S {
public:
  S (); 
};

struct D : S {
  D() : 
    b1(0), // expected-note {{previous initialization is here}}
    b2(1),
    b1(0), // expected-error {{multiple initializations given for non-static member 'b1'}}
    S(),   // expected-note {{previous initialization is here}}
    S()    // expected-error {{multiple initializations given for base 'S'}}
    {}
  int b1;
  int b2;
};

struct A {
  struct {
    int a;
    int b; 
  };
  A();
};

A::A() : a(10), b(20) { }

namespace Test1 {
  template<typename T> struct A {};
  template<typename T> struct B : A<T> {

    B() : A<T>(), // expected-note {{previous initialization is here}} 
      A<T>() { } // expected-error {{multiple initializations given for base 'A<T>'}}
  };
}

namespace Test2 {
  template<typename T> struct A : T {
    A() : T(), // expected-note {{previous initialization is here}}
      T() { } // expected-error {{multiple initializations given for base 'T'}}
  };
}

namespace Test3 {
  template<typename T> struct A {
    T t;
    
    A() : t(1), // expected-note {{previous initialization is here}}
      t(2) { } // expected-error {{multiple initializations given for non-static member 't'}}
  };
}

namespace test4 {
  class A {
    union {
      struct {
        int a;
        int b;
      };

      int c;

      union {
        int d;
        int e;
      };
    };

    A(char _) : a(0), b(0) {}
    A(short _) : a(0), c(0) {} // expected-error {{initializing multiple members of union}} expected-note {{previous initialization is here}}
    A(int _) : d(0), e(0) {} // expected-error {{initializing multiple members of union}} expected-note {{previous initialization is here}}
    A(long _) : a(0), d(0) {} // expected-error {{initializing multiple members of union}} expected-note {{previous initialization is here}}
  };
}

namespace test5 {
  struct Base {
    Base(int);
  };
  struct A : Base {
    A() : decltype(Base(1))(3) {
    }
    A(int) : Base(3), // expected-note {{previous initialization is here}}
             decltype(Base(1))(2), // expected-error {{multiple initializations given for base 'decltype(test5::Base(1))' (aka 'test5::Base')}}
             decltype(int())() { // expected-error {{constructor initializer 'decltype(int())' (aka 'int') does not name a class}}
    }
    A(float) : decltype(A())(3) {
    }
  };
}

namespace rdar13185264 {
  class X {
    X() : a(), // expected-note{{previous initialization is here}}
          a()  { } // expected-error{{multiple initializations given for non-static member 'a'}}
    union { void *a; };
  };
}

namespace PR16596 {
  class A { public: virtual ~A(); };
  typedef const A Foo;
  void Apply(Foo processor);
  struct Bar : public Foo {};
  void Fetch() {
    Apply(Bar());
  }
}