| 1 | // RUN: %clang_cc1 -std=c++11 %s -Wunused -Wno-unused-lambda-capture -verify |
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| 2 | |
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| 3 | void odr_used() { |
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| 4 | int i = 17; |
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| 5 | [i]{}(); |
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| 6 | } |
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| 7 | |
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| 8 | struct ReachingThis { |
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| 9 | static void static_foo() { |
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| 10 | (void)[this](){}; // expected-error{{'this' cannot be captured in this context}} |
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| 11 | |
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| 12 | struct Local { |
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| 13 | int i; |
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| 14 | |
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| 15 | void bar() { |
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| 16 | (void)[this](){}; |
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| 17 | (void)[&](){i = 7; }; |
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| 18 | } |
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| 19 | }; |
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| 20 | } |
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| 21 | |
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| 22 | void foo() { |
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| 23 | (void)[this](){}; |
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| 24 | |
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| 25 | struct Local { |
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| 26 | int i; |
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| 27 | |
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| 28 | static void static_bar() { |
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| 29 | (void)[this](){}; // expected-error{{'this' cannot be captured in this context}} |
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| 30 | (void)[&](){i = 7; }; // expected-error{{invalid use of member 'i' in static member function}} |
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| 31 | } |
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| 32 | }; |
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| 33 | } |
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| 34 | }; |
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| 35 | |
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| 36 | void immediately_enclosing(int i) { // expected-note{{'i' declared here}} |
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| 37 | [i]() { |
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| 38 | [i] {}(); |
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| 39 | }(); |
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| 40 | |
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| 41 | [=]() { |
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| 42 | [i] {}(); |
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| 43 | }(); |
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| 44 | |
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| 45 | []() { // expected-note{{lambda expression begins here}} |
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| 46 | [i] {}(); // expected-error{{variable 'i' cannot be implicitly captured in a lambda with no capture-default specified}} |
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| 47 | }(); |
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| 48 | } |
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| 49 | |
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| 50 | void f1(int i) { // expected-note{{declared here}} |
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| 51 | int const N = 20; |
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| 52 | auto m1 = [=]{ |
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| 53 | int const M = 30; |
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| 54 | auto m2 = [i]{ |
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| 55 | int x[N][M]; |
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| 56 | x[0][0] = i; |
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| 57 | }; |
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| 58 | (void)N; |
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| 59 | (void)M; |
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| 60 | (void)m2; |
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| 61 | }; |
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| 62 | struct s1 { |
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| 63 | int f; |
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| 64 | void work(int n) { // expected-note{{declared here}} |
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| 65 | int m = n*n; |
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| 66 | int j = 40; // expected-note{{declared here}} |
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| 67 | auto m3 = [this,m] { // expected-note 3{{lambda expression begins here}} |
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| 68 | auto m4 = [&,j] { // expected-error{{variable 'j' cannot be implicitly captured in a lambda with no capture-default specified}} |
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| 69 | int x = n; // expected-error{{variable 'n' cannot be implicitly captured in a lambda with no capture-default specified}} |
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| 70 | x += m; |
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| 71 | x += i; // expected-error{{variable 'i' cannot be implicitly captured in a lambda with no capture-default specified}} |
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| 72 | x += f; |
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| 73 | }; |
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| 74 | }; |
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| 75 | } |
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| 76 | }; |
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| 77 | } |
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| 78 | |
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