1 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify |
2 | |
3 | // Check that analysis-based warnings work in lambda bodies. |
4 | void 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). |
10 | int &check_const_int(int&); |
11 | float &check_const_int(const int&); |
12 | |
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); |
50 | void f() { |
51 | [&]()->int { |
52 | S1 &s1 = operator=(&this->x); |
53 | return operator()(this->x + y); |
54 | }(); |
55 | } |
56 | }; |
57 | |