f5043f46c0
This reverts commit 7339c0f782d5c70e0928f8991b0c05338a90c84c. Breaks bots: https://lab.llvm.org/buildbot/#/builders/139/builds/51875 https://lab.llvm.org/buildbot/#/builders/164/builds/45262
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
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// RUN: %clang_cc1 -fsyntax-only -std=c++1y %s -verify -DCPP1Y
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void missing_lambda_declarator() {
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[](){}();
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}
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template<typename T> T get();
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void infer_void_return_type(int i) {
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if (i > 17)
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return []() { }();
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if (i > 11)
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return []() { return; }();
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return [](int x) {
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switch (x) {
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case 0: return get<void>();
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case 1: return;
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case 2: return { 1, 2.0 }; //expected-error{{cannot deduce}}
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}
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}(7);
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}
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struct X { };
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X infer_X_return_type(X x) {
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return [&x](int y) {
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if (y > 0)
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return X();
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else
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return x;
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}(5);
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}
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X infer_X_return_type_2(X x) {
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return [x](int y) {
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if (y > 0)
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return X();
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else
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return x; // ok even in c++11, per dr1048.
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}(5);
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}
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struct Incomplete; // expected-note 2{{forward declaration of 'Incomplete'}}
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void test_result_type(int N) {
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auto l1 = [] () -> Incomplete { }; // expected-error{{incomplete result type 'Incomplete' in lambda expression}}
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typedef int vla[N];
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auto l2 = [] () -> vla { }; // expected-error{{function cannot return array type 'vla' (aka 'int[N]')}}
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}
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template <typename T>
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void test_result_type_tpl(int N) {
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auto l1 = []() -> T {}; // expected-error{{incomplete result type 'Incomplete' in lambda expression}}
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// expected-note@-1{{while substituting into a lambda expression here}}
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typedef int vla[N];
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auto l2 = []() -> vla {}; // expected-error{{function cannot return array type 'vla' (aka 'int[N]')}}
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}
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void test_result_type_call() {
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test_result_type_tpl<Incomplete>(10); // expected-note {{requested here}}
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}
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