b04445d4a8
C++20 isn't final quite yet, but all that remains is formalities, so let's go ahead and change all the references. I think for the next C++ standard we can just call it C++23 rather than C++2b, since the committee has been consistent about time-based releases rather than feature-based. gcc/c-family/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * c.opt (std=c++20): Make c++2a the alias. (std=gnu++20): Likewise. * c-common.h (cxx_dialect): Change cxx2a to cxx20. * c-opts.c: Adjust. * c-cppbuiltin.c: Adjust. * c-ubsan.c: Adjust. * c-warn.c: Adjust. gcc/cp/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * call.c, class.c, constexpr.c, constraint.cc, decl.c, init.c, lambda.c, lex.c, method.c, name-lookup.c, parser.c, pt.c, tree.c, typeck2.c: Change cxx2a to cxx20. libcpp/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * include/cpplib.h (enum c_lang): Change CXX2A to CXX20. * init.c, lex.c: Adjust.
64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
// P0806R2
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// { dg-do compile { target c++17 } }
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// { dg-options "" }
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struct X {
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int x;
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void foo (int n) {
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auto a1 = [=] { x = n; }; // { dg-bogus "implicit capture" "" { target c++17_down } }
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// { dg-warning "implicit capture of 'this' via '\\\[=\\\]' is deprecated" "" { target c++20 } .-1 }
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// { dg-message "add explicit 'this' or '\\\*this' capture" "" { target c++20 } .-2 }
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auto a2 = [=, this] { x = n; };
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// { dg-warning "explicit by-copy capture" "" { target c++17_down } .-1 }
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auto a3 = [=, *this]() mutable { x = n; };
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auto a4 = [&] { x = n; };
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auto a5 = [&, this] { x = n; };
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auto a6 = [&, *this]() mutable { x = n; };
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auto a7 = [=] { // { dg-bogus "implicit capture" "" { target c++17_down } }
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// { dg-warning "implicit capture of 'this' via '\\\[=\\\]' is deprecated" "" { target c++20 } .-1 }
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// { dg-message "add explicit 'this' or '\\\*this' capture" "" { target c++20 } .-2 }
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auto a = [=] { // { dg-bogus "implicit capture" "" { target c++17_down } }
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// { dg-warning "implicit capture of 'this' via '\\\[=\\\]' is deprecated" "" { target c++20 } .-1 }
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// { dg-message "add explicit 'this' or '\\\*this' capture" "" { target c++20 } .-2 }
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auto a2 = [=] { x = n; }; // { dg-bogus "implicit capture" "" { target c++17_down } }
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// { dg-warning "implicit capture of 'this' via '\\\[=\\\]' is deprecated" "" { target c++20 } .-1 }
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// { dg-message "add explicit 'this' or '\\\*this' capture" "" { target c++20 } .-2 }
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};
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};
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auto a8 = [=, this] {
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// { dg-warning "explicit by-copy capture" "" { target c++17_down } .-1 }
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auto a = [=, this] {
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// { dg-warning "explicit by-copy capture" "" { target c++17_down } .-1 }
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auto a2 = [=, this] { x = n; };
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// { dg-warning "explicit by-copy capture" "" { target c++17_down } .-1 }
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};
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};
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auto a9 = [=, *this]() mutable {
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auto a = [=, *this]() mutable {
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auto a2 = [=, *this]() mutable { x = n; };
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};
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};
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auto a10 = [&] {
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auto a = [&] {
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auto a2 = [&] { x = n; };
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};
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};
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auto a11 = [&, this] {
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auto a = [&, this] {
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auto a2 = [&, this] { x = n; };
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};
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};
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auto a12 = [&, *this]() mutable {
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auto a = [&, *this]() mutable {
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auto a2 = [&, *this]() mutable { x = n; };
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};
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};
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}
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};
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