p7.cpp revision 793cd1c4cdfaafc52e2c2ad9dae959befe4bb166 
1// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
2
3// Check that analysis-based warnings work in lambda bodies.
4void analysis_based_warnings() {
5  (void)[]() -> int { }; // expected-warning{{control reaches end of non-void lambda}}
6}
7
8// Check that we get the right types of captured variables (the
9// semantic-analysis part of p7).
10int &check_const_int(int&);
11float &check_const_int(const int&);
12
13void test_capture_constness(int i, const int ic) {
14  (void)[i,ic] ()->void {
15    float &fr1 = check_const_int(i);
16    float &fr2 = check_const_int(ic);
17  };
18
19  (void)[=] ()->void {
20    float &fr1 = check_const_int(i);
21    float &fr2 = check_const_int(ic);
22  };
23
24  (void)[i,ic] () mutable ->void {
25    int &ir = check_const_int(i);
26    float &fr = check_const_int(ic);
27  };
28
29  (void)[=] () mutable ->void {
30    int &ir = check_const_int(i);
31    float &fr = check_const_int(ic);
32  };
33
34  (void)[&i,&ic] ()->void {
35    int &ir = check_const_int(i);
36    float &fr = check_const_int(ic);
37  };
38
39  (void)[&] ()->void {
40    int &ir = check_const_int(i);
41    float &fr = check_const_int(ic);
42  };
43}
44
45
46struct S1 {
47  int x, y;
48  S1 &operator=(int*);
49  int operator()(int);
50  void f() {
51    [&]()->int {
52      S1 &s1 = operator=(&this->x);
53      return operator()(this->x + y);
54    }();
55  }
56};
57