1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
2 
3 // Check that analysis-based warnings work in lambda bodies.
analysis_based_warnings()4 void analysis_based_warnings() {
5   (void)[]() -> int { }; // expected-warning{{non-void lambda does not return a value}}
6 }
7 
8 // Check that we get the right types of captured variables (the
9 // semantic-analysis part of p7).
10 int &check_const_int(int&);
11 float &check_const_int(const int&);
12 
test_capture_constness(int i,const int ic)13 void 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 
46 struct S1 {
47   int x, y;
48   S1 &operator=(int*);
49   int operator()(int);
fS150   void f() {
51     [&]()->int {
52       S1 &s1 = operator=(&this->x);
53       return operator()(this->x + y);
54     }();
55   }
56 };
57