c++: DR 569, DR 1693: fun with semicolons [PR113760]

Message ID	20240213192411.56178-1-polacek@redhat.com
State	New
Headers	show Return-Path: <gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org> DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3C8923858C5F From: Marek Polacek <polacek@redhat.com> To: Jason Merrill <jason@redhat.com>, GCC Patches <gcc-patches@gcc.gnu.org> Cc: Jakub Jelinek <jakub@redhat.com> Subject: [PATCH] c++: DR 569, DR 1693: fun with semicolons [PR113760] Date: Tue, 13 Feb 2024 14:24:11 -0500 Message-ID: <20240213192411.56178-1-polacek@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true Precedence: list Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org
Series	c++: DR 569, DR 1693: fun with semicolons [PR113760] \| expand c++: DR 569, DR 1693: fun with semicolons [PR113760]

diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index b7a4a1a68e3..1ff0c939e95 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -723,7 +723,7 @@ C ObjC C++ ObjC++ Warning ; in common.opt Wextra-semi -C++ ObjC++ Var(warn_extra_semi) Warning +C++ ObjC++ Var(warn_extra_semi) Init(-1) Warning Warn about semicolon after in-class function definition. Wflex-array-member-not-at-end diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc index f0c8f9c4005..a0071ab3ef5 100644 --- a/gcc/cp/parser.cc +++ b/gcc/cp/parser.cc @@ -15321,6 +15321,61 @@ cp_parser_module_export (cp_parser *parser) module_kind = mk; } +/* Used for maybe_warn_extra_semi. */ + +enum class extra_semi_kind { decl, member, in_class_fn_def }; + +/* Warn about an extra semicolon. KIND says in which context the extra + semicolon occurs. */ + +static void +maybe_warn_extra_semi (location_t loc, extra_semi_kind kind) +{ + /* -Wno-extra-semi suppresses all. */ + if (warn_extra_semi == 0) + return; + + gcc_rich_location richloc (loc); + richloc.add_fixit_remove (); + + switch (kind) + { + case extra_semi_kind::decl: + if (warn_extra_semi > 0) + warning_at (&richloc, OPT_Wextra_semi, + "extra %<;%> outside of a function"); + /* If -Wextra-semi wasn't specified, warn only when -pedantic is in + effect in C++98. DR 569 says that spurious semicolons at namespace + scope should be allowed. */ + else if (pedantic && cxx_dialect < cxx11) + pedwarn (&richloc, OPT_Wextra_semi, + "extra %<;%> outside of a function only allowed in C++11"); + break; + + case extra_semi_kind::member: + if (warn_extra_semi > 0) + warning_at (&richloc, OPT_Wextra_semi, "extra %<;%> inside a struct"); + /* If -Wextra-semi wasn't specified, warn only when -pedantic is in + effect in C++11 and below. DR 1693 added "empty-declaration" to the + syntax for "member-declaration". */ + else if (pedantic && cxx_dialect < cxx14) + pedwarn (&richloc, OPT_Wextra_semi, + "extra %<;%> inside a struct only allowed in C++14"); + break; + + case extra_semi_kind::in_class_fn_def: + /* A single semicolon is valid after a member function definition + so this is just a warning. */ + if (warn_extra_semi > 0) + warning_at (&richloc, OPT_Wextra_semi, + "extra %<;%> after in-class function definition"); + break; + + default: + gcc_unreachable (); + } +} + /* Declarations [gram.dcl.dcl] */ /* Parse an optional declaration-sequence. TOP_LEVEL is true, if this @@ -15396,11 +15451,11 @@ cp_parser_declaration (cp_parser* parser, tree prefix_attrs) if (token1->type == CPP_SEMICOLON) { - cp_lexer_consume_token (parser->lexer); + location_t semicolon_loc + = cp_lexer_consume_token (parser->lexer)->location; /* A declaration consisting of a single semicolon is invalid - * before C++11. Allow it unless we're being pedantic. */ - if (cxx_dialect < cxx11) - pedwarn (input_location, OPT_Wpedantic, "extra %<;%>"); + before C++11. Allow it unless we're being pedantic. */ + maybe_warn_extra_semi (semicolon_loc, extra_semi_kind::decl); return; } else if (cp_lexer_nth_token_is (parser->lexer, @@ -27992,19 +28047,27 @@ cp_parser_member_declaration (cp_parser* parser) struct S { ; }; - [class.mem] + [class.mem] used to say Each member-declaration shall declare at least one member - name of the class. */ + name of the class. + + but since C++14 / DR 1693: + + A member-declaration does not declare new members of the class + if it is + -- [...] + -- an empty-declaration. + For any other member-declaration, each declared entity that is not + an unnamed bit-field is a member of the class, and each such + member-declaration shall either declare at least one member name of + the class or declare at least one unnamed bit-field. */ if (!decl_specifiers.any_specifiers_p) { cp_token *token = cp_lexer_peek_token (parser->lexer); + // ??? Should we check !in_system_header_at in maybe_warn_extra_semi? if (!in_system_header_at (token->location)) - { - gcc_rich_location richloc (token->location); - richloc.add_fixit_remove (); - pedwarn (&richloc, OPT_Wpedantic, "extra %<;%>"); - } + maybe_warn_extra_semi (token->location, extra_semi_kind::member); } else { @@ -28398,11 +28461,8 @@ cp_parser_member_declaration (cp_parser* parser) { location_t semicolon_loc = cp_lexer_consume_token (parser->lexer)->location; - gcc_rich_location richloc (semicolon_loc); - richloc.add_fixit_remove (); - warning_at (&richloc, OPT_Wextra_semi, - "extra %<;%> after in-class " - "function definition"); + maybe_warn_extra_semi (semicolon_loc, + extra_semi_kind::in_class_fn_def); } goto out; } diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 0de184f6241..12c6fb96052 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4766,7 +4766,34 @@ undefined behavior at runtime. This warning is enabled by default. @opindex Wextra-semi @opindex Wno-extra-semi @item -Wextra-semi @r{(C++, Objective-C++ only)} -Warn about redundant semicolons after in-class function definitions. +Warn about redundant semicolons. There are various contexts in which an extra +semicolon can occur. One is a semicolon after in-class function definitions, +which is valid in all C++ dialects (and is never a pedwarn): + +@smallexample +struct S @{ + void foo () @{@}; +@}; +@end smallexample + +Another is an extra semicolon at namespace scope, which has been allowed +since C++11 (therefore is a pedwarn in C++98): + +@smallexample +struct S @{ +@}; +; +@end smallexample + +And yet another is an extra semicolon in class definitions, which has been +allowed since C++14 (therefore is a pedwarn in C++98 and C++11): + +@smallexample +struct S @{ + int a; + ; +@}; +@end smallexample @opindex Winaccessible-base @opindex Wno-inaccessible-base diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon1.C b/gcc/testsuite/g++.dg/diagnostic/semicolon1.C new file mode 100644 index 00000000000..8219d488f4d --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon1.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "" } +// { dg-prune-output "only available with" } + +struct X { ; }; + +struct S { + void baz () = delete; + void qux () = delete; + ; + void corge () = delete; + ; + ; + int s; + ; +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon10.C b/gcc/testsuite/g++.dg/diagnostic/semicolon10.C new file mode 100644 index 00000000000..4753f557453 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon10.C @@ -0,0 +1,11 @@ +// PR c++/113760 +// { dg-do compile } +// { dg-options "-Wextra-semi" } + +struct S { + void f1 () {} + // A single semicolon is valid after a member function definition. + void f2 () {}; // { dg-warning "extra .;. after in-class function definition" } + void f3 () const; +}; +void S::f3 () const { }; // { dg-warning "extra .;. outside of a function" } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon11.C b/gcc/testsuite/g++.dg/diagnostic/semicolon11.C new file mode 100644 index 00000000000..65df5e9abe6 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon11.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-pedantic-errors" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } + +void S::foo () { +}; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } + +namespace N { +}; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } + +void f(); +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } + +void +f () +{ +}; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } + +int x; +; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon12.C b/gcc/testsuite/g++.dg/diagnostic/semicolon12.C new file mode 100644 index 00000000000..f3e79f80bf0 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon12.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; + +void S::foo () { +}; +; + +namespace N { +}; +; + +void f(); +; + +void +f () +{ +}; +; + +int x; +; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon13.C b/gcc/testsuite/g++.dg/diagnostic/semicolon13.C new file mode 100644 index 00000000000..c7a41202347 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon13.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-Wpedantic" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void S::foo () { +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +namespace N { +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void f(); +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void +f () +{ +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +int x; +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon14.C b/gcc/testsuite/g++.dg/diagnostic/semicolon14.C new file mode 100644 index 00000000000..ac2b985f3a3 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon14.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-pedantic-errors -Wno-extra-semi" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; + +void S::foo () { +}; +; + +namespace N { +}; +; + +void f(); +; + +void +f () +{ +}; +; + +int x; +; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon15.C b/gcc/testsuite/g++.dg/diagnostic/semicolon15.C new file mode 100644 index 00000000000..84b90e4ea35 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon15.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-Wextra-semi" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; // { dg-warning "extra .;. outside of a function" } + +void S::foo () { +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +namespace N { +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +void f(); +; // { dg-warning "extra .;. outside of a function" } + +void +f () +{ +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +int x; +; // { dg-warning "extra .;. outside of a function" } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon16.C b/gcc/testsuite/g++.dg/diagnostic/semicolon16.C new file mode 100644 index 00000000000..998499b8e1f --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon16.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-Wextra-semi -pedantic-errors" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; // { dg-warning "extra .;. outside of a function" } + +void S::foo () { +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +namespace N { +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +void f(); +; // { dg-warning "extra .;. outside of a function" } + +void +f () +{ +}; // { dg-warning "extra .;. outside of a function" } +; // { dg-warning "extra .;. outside of a function" } + +int x; +; // { dg-warning "extra .;. outside of a function" } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon17.C b/gcc/testsuite/g++.dg/diagnostic/semicolon17.C new file mode 100644 index 00000000000..0b8d3f006e5 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon17.C @@ -0,0 +1,29 @@ +// DR 569, Spurious semicolons at namespace scope should be allowed +// PR c++/113760 +// { dg-options "-pedantic-errors -Wno-error=extra-semi" } + +// C++11 allows extra semicolons at namespace scope. +struct S { + void foo(); +}; +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void S::foo () { +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +namespace N { +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void f(); +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +void +f () +{ +}; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } + +int x; +; // { dg-warning "extra .;. outside of a function" "" { target c++98_only } } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon2.C b/gcc/testsuite/g++.dg/diagnostic/semicolon2.C new file mode 100644 index 00000000000..d3f66f15fff --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon2.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-Wpedantic" } +// { dg-prune-output "only available with" } + +struct X { ; }; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + +struct S { + void baz () = delete; + void qux () = delete; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + void corge () = delete; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + int s; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon3.C b/gcc/testsuite/g++.dg/diagnostic/semicolon3.C new file mode 100644 index 00000000000..ca471cca35a --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon3.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-pedantic-errors" } +// { dg-prune-output "only available with" } + +struct X { ; }; // { dg-error "extra .;. inside a struct" "" { target c++11_down } } + +struct S { + void baz () = delete; + void qux () = delete; + ; // { dg-error "extra .;. inside a struct" "" { target c++11_down } } + void corge () = delete; + ; // { dg-error "extra .;. inside a struct" "" { target c++11_down } } + ; // { dg-error "extra .;. inside a struct" "" { target c++11_down } } + int s; + ; // { dg-error "extra .;. inside a struct" "" { target c++11_down } } +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon4.C b/gcc/testsuite/g++.dg/diagnostic/semicolon4.C new file mode 100644 index 00000000000..22f7a539aed --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon4.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-pedantic-errors -Wno-extra-semi" } +// { dg-prune-output "only available with" } + +struct X { ; }; + +struct S { + void baz () = delete; + void qux () = delete; + ; + void corge () = delete; + ; + ; + int s; + ; +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon5.C b/gcc/testsuite/g++.dg/diagnostic/semicolon5.C new file mode 100644 index 00000000000..41b7bfa2ed8 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon5.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-Wextra-semi" } +// { dg-prune-output "only available with" } + +struct X { ; }; // { dg-warning "extra .;. inside a struct" } + +struct S { + void baz () = delete; + void qux () = delete; + ; // { dg-warning "extra .;. inside a struct" } + void corge () = delete; + ; // { dg-warning "extra .;. inside a struct" } + ; // { dg-warning "extra .;. inside a struct" } + int s; + ; // { dg-warning "extra .;. inside a struct" } +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon6.C b/gcc/testsuite/g++.dg/diagnostic/semicolon6.C new file mode 100644 index 00000000000..0607ab0d0a5 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon6.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-Wextra-semi -pedantic-errors" } +// { dg-prune-output "only available with" } + +struct X { ; }; // { dg-warning "extra .;. inside a struct" } + +struct S { + void baz () = delete; + void qux () = delete; + ; // { dg-warning "extra .;. inside a struct" } + void corge () = delete; + ; // { dg-warning "extra .;. inside a struct" } + ; // { dg-warning "extra .;. inside a struct" } + int s; + ; // { dg-warning "extra .;. inside a struct" } +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon7.C b/gcc/testsuite/g++.dg/diagnostic/semicolon7.C new file mode 100644 index 00000000000..e5407bf2f2f --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon7.C @@ -0,0 +1,18 @@ +// DR 1693, Superfluous semicolons in class definitions +// PR c++/113760 +// { dg-do compile } +// { dg-options "-pedantic-errors -Wno-error=extra-semi" } +// { dg-prune-output "only available with" } + +struct X { ; }; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + +struct S { + void baz () = delete; + void qux () = delete; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + void corge () = delete; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } + int s; + ; // { dg-warning "extra .;. inside a struct" "" { target c++11_down } } +}; diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon8.C b/gcc/testsuite/g++.dg/diagnostic/semicolon8.C new file mode 100644 index 00000000000..1b0de384dbf --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon8.C @@ -0,0 +1,11 @@ +// PR c++/113760 +// { dg-do compile } +// { dg-options "-pedantic-errors" } + +struct S { + void f1 () {} + // A single semicolon is valid after a member function definition. + void f2 () {}; + void f3 () const; +}; +void S::f3 () const { }; // { dg-error "extra .;. outside of a function" "" { target c++98_only } } diff --git a/gcc/testsuite/g++.dg/diagnostic/semicolon9.C b/gcc/testsuite/g++.dg/diagnostic/semicolon9.C new file mode 100644 index 00000000000..f90539d3bd7 --- /dev/null +++ b/gcc/testsuite/g++.dg/diagnostic/semicolon9.C @@ -0,0 +1,11 @@ +// PR c++/113760 +// { dg-do compile } +// { dg-options "-pedantic-errors -Wno-extra-semi" } + +struct S { + void f1 () {} + // A single semicolon is valid after a member function definition. + void f2 () {}; + void f3 () const; +}; +void S::f3 () const { }; diff --git a/gcc/testsuite/g++.dg/semicolon-fixits.C b/gcc/testsuite/g++.dg/semicolon-fixits.C index a9cc783b172..88738d46f2c 100644 --- a/gcc/testsuite/g++.dg/semicolon-fixits.C +++ b/gcc/testsuite/g++.dg/semicolon-fixits.C @@ -1,4 +1,4 @@ -/* { dg-options "-fdiagnostics-show-caret -Wpedantic" } */ +/* { dg-options "-fdiagnostics-show-caret -Wextra-semi" } */ /* Struct with extra semicolon. */ struct s1 { int i;; }; /* { dg-warning "19: extra .;." } */ diff --git a/gcc/testsuite/g++.dg/warn/pedantic2.C b/gcc/testsuite/g++.dg/warn/pedantic2.C index 6c834162c1b..51b4c93a5c8 100644 --- a/gcc/testsuite/g++.dg/warn/pedantic2.C +++ b/gcc/testsuite/g++.dg/warn/pedantic2.C @@ -5,6 +5,6 @@ class foo foo() {}; void bar() {}; - foo(int) {};; // { dg-warning "extra" } - void bar(int) {};; // { dg-warning "extra" } + foo(int) {};; // { dg-warning "extra" "" { target c++11_down } } + void bar(int) {};; // { dg-warning "extra" "" { target c++11_down } } }; diff --git a/gcc/testsuite/g++.old-deja/g++.jason/parse11.C b/gcc/testsuite/g++.old-deja/g++.jason/parse11.C index 40864c108ba..b1d8f6eceee 100644 --- a/gcc/testsuite/g++.old-deja/g++.jason/parse11.C +++ b/gcc/testsuite/g++.old-deja/g++.jason/parse11.C @@ -3,7 +3,7 @@ class aClass { - ; // { dg-error "" } missing declaration + ; // { dg-error "extra" "" { target c++11_down } } missing declaration private: - ; // { dg-error "" } missing declaration + ; // { dg-error "extra" "" { target c++11_down } } missing declaration };

c++: DR 569, DR 1693: fun with semicolons [PR113760]

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