xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/flexible-array-test.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s
2*f4a2713aSLionel Sambuc // pr7029
3*f4a2713aSLionel Sambuc 
4*f4a2713aSLionel Sambuc template <class Key, class T> struct QMap
5*f4a2713aSLionel Sambuc {
6*f4a2713aSLionel Sambuc   void insert(const Key &, const T &);
7*f4a2713aSLionel Sambuc   T v;
8*f4a2713aSLionel Sambuc };
9*f4a2713aSLionel Sambuc 
10*f4a2713aSLionel Sambuc 
11*f4a2713aSLionel Sambuc template <class Key, class T>
12*f4a2713aSLionel Sambuc void QMap<Key, T>::insert(const Key &, const T &avalue)
13*f4a2713aSLionel Sambuc {
14*f4a2713aSLionel Sambuc   v = avalue;
15*f4a2713aSLionel Sambuc }
16*f4a2713aSLionel Sambuc 
17*f4a2713aSLionel Sambuc 
18*f4a2713aSLionel Sambuc struct inotify_event
19*f4a2713aSLionel Sambuc {
20*f4a2713aSLionel Sambuc   int wd;
21*f4a2713aSLionel Sambuc 
22*f4a2713aSLionel Sambuc   // clang doesn't like '[]':
23*f4a2713aSLionel Sambuc   // cannot initialize a parameter of type 'void *' with an rvalue of type 'char (*)[]'
24*f4a2713aSLionel Sambuc   char name [];
25*f4a2713aSLionel Sambuc };
26*f4a2713aSLionel Sambuc 
27*f4a2713aSLionel Sambuc 
28*f4a2713aSLionel Sambuc void foo()
29*f4a2713aSLionel Sambuc {
30*f4a2713aSLionel Sambuc     inotify_event event;
31*f4a2713aSLionel Sambuc     inotify_event* ptr = &event;
32*f4a2713aSLionel Sambuc     inotify_event event1 = *ptr;
33*f4a2713aSLionel Sambuc     *ptr = event;
34*f4a2713aSLionel Sambuc     QMap<int, inotify_event> eventForId;
35*f4a2713aSLionel Sambuc     eventForId.insert(ptr->wd, *ptr);
36*f4a2713aSLionel Sambuc }
37*f4a2713aSLionel Sambuc 
38*f4a2713aSLionel Sambuc struct S {
39*f4a2713aSLionel Sambuc 	virtual void foo();
40*f4a2713aSLionel Sambuc };
41*f4a2713aSLionel Sambuc 
42*f4a2713aSLionel Sambuc struct X {
43*f4a2713aSLionel Sambuc    int blah;
44*f4a2713aSLionel Sambuc    S strings[];	// expected-error {{flexible array member 'strings' of non-POD element type 'S []'}}
45*f4a2713aSLionel Sambuc };
46*f4a2713aSLionel Sambuc 
47*f4a2713aSLionel Sambuc class A {
48*f4a2713aSLionel Sambuc   int s;
49*f4a2713aSLionel Sambuc   char c[];
50*f4a2713aSLionel Sambuc };
51*f4a2713aSLionel Sambuc 
52*f4a2713aSLionel Sambuc union B {
53*f4a2713aSLionel Sambuc   int s;
54*f4a2713aSLionel Sambuc   char c[];
55*f4a2713aSLionel Sambuc };
56*f4a2713aSLionel Sambuc 
57*f4a2713aSLionel Sambuc namespace rdar9065507 {
58*f4a2713aSLionel Sambuc 
59*f4a2713aSLionel Sambuc struct StorageBase {
60*f4a2713aSLionel Sambuc   long ref_count;
61*f4a2713aSLionel Sambuc   unsigned size;
62*f4a2713aSLionel Sambuc   unsigned capacity;
63*f4a2713aSLionel Sambuc };
64*f4a2713aSLionel Sambuc 
65*f4a2713aSLionel Sambuc struct Storage : StorageBase {
66*f4a2713aSLionel Sambuc   int data[];
67*f4a2713aSLionel Sambuc };
68*f4a2713aSLionel Sambuc 
69*f4a2713aSLionel Sambuc struct VirtStorage : virtual StorageBase {
70*f4a2713aSLionel Sambuc   int data[]; // expected-error {{flexible array member 'data' not allowed in struct which has a virtual base class}}
71*f4a2713aSLionel Sambuc };
72*f4a2713aSLionel Sambuc 
73*f4a2713aSLionel Sambuc }
74