diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 79e7362..92a6dbc 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -9765,8 +9765,6 @@ grokdeclarator (const cp_declarator *declarator, } else if (friendp) { - if (initialized) - error ("can%'t initialize friend function %qs", name); if (virtualp) { /* Cannot be both friend and virtual. */ diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index 1740a2e..875daf1 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -870,11 +870,6 @@ grokfield (const cp_declarator *declarator, if (value == void_type_node) return value; - /* Pass friend decls back. */ - if ((TREE_CODE (value) == FUNCTION_DECL - || TREE_CODE (value) == TEMPLATE_DECL) - && DECL_CONTEXT (value) != current_class_type) - return value; name = DECL_NAME (value); @@ -926,7 +921,9 @@ grokfield (const cp_declarator *declarator, return value; } - if (DECL_IN_AGGR_P (value)) + int friendp = decl_spec_seq_has_spec_p (declspecs, ds_friend); + + if (!friendp && DECL_IN_AGGR_P (value)) { error ("%qD is already defined in %qT", value, DECL_CONTEXT (value)); return void_type_node; @@ -939,8 +936,6 @@ grokfield (const cp_declarator *declarator, { if (TREE_CODE (value) == FUNCTION_DECL) { - /* Initializers for functions are rejected early in the parser. - If we get here, it must be a pure specifier for a method. */ if (init == ridpointers[(int)RID_DELETE]) { DECL_DELETED_FN (value) = 1; @@ -971,8 +966,12 @@ grokfield (const cp_declarator *declarator, else { gcc_assert (TREE_CODE (TREE_TYPE (value)) == FUNCTION_TYPE); - error ("initializer specified for static member function %qD", - value); + if (friendp) + error ("initializer specified for friend function %qD", + value); + else + error ("initializer specified for static member function %qD", + value); } } else if (TREE_CODE (value) == FIELD_DECL) @@ -981,6 +980,12 @@ grokfield (const cp_declarator *declarator, gcc_unreachable (); } + /* Pass friend decls back. */ + if ((TREE_CODE (value) == FUNCTION_DECL + || TREE_CODE (value) == TEMPLATE_DECL) + && DECL_CONTEXT (value) != current_class_type) + return value; + if (processing_template_decl && VAR_OR_FUNCTION_DECL_P (value)) { value = push_template_decl (value); diff --git a/gcc/testsuite/g++.dg/cpp0x/pr62101.C b/gcc/testsuite/g++.dg/cpp0x/pr62101.C new file mode 100644 index 0000000..abec7f7 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/pr62101.C @@ -0,0 +1,32 @@ +// PR c++/62101 +// { dg-do compile { target c++11 } } + +struct X +{ + friend void g(X, int) = 0; // { dg-error "initializer specified for friend function" } + friend void g(X, int) = default; // { dg-error "cannot be defaulted" } + // { dg-prune-output "note" } + friend void f(X, int) = delete; + friend void f(X, double) {} +}; + +struct Y; +void g(Y, int); +void g(Y, double); + +struct Y +{ + // { dg-prune-output "note" } + friend void g(Y, int) = delete; + friend void g(Y, double) {} +}; + +int main() +{ + X x; + f(x, 5.0); + f(x, 5); // { dg-error "use of deleted function" } + Y y; + g(y, 5.0); + g(y, 5); // { dg-error "use of deleted function" } +}