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re PR c++/4003 (ICE on template instantiation including friendship declaration.)

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PR c++/4003
        * pt.c (tsubst_friend_function): Use decl_namespace_context.

From-SVN: r50966
This commit is contained in:
Jason Merrill 2002-03-18 08:27:03 -05:00 committed by Jason Merrill
parent fd70bb6453
commit ed2fa43249
3 changed files with 18 additions and 17 deletions
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3
gcc/cp/ChangeLog
View File

@ -1,5 +1,8 @@
2002-03-18 Jason Merrill <jason@redhat.com>
PR c++/4003 - template/friend.C
* pt.c (tsubst_friend_function): Use decl_namespace_context.
PR c++/3948 -- C++ ABI change, followup to 2001-12-18 patch.
* class.c (finish_struct_bits): Also set TREE_ADDRESSABLE for a
type with a nontrivial destructor.

26
gcc/cp/pt.c
View File

@ -4623,7 +4623,7 @@ tsubst_friend_function (decl, args)
tree template_id, arglist, fns;
tree new_args;
tree tmpl;
tree ns = CP_DECL_CONTEXT (TYPE_MAIN_DECL (current_class_type));
tree ns = decl_namespace_context (TYPE_MAIN_DECL (current_class_type));
/* Friend functions are looked up in the containing namespace scope.
We must enter that scope, to avoid finding member functions of the
@ -6064,15 +6064,6 @@ tsubst_decl (t, args, type, complain)
SET_DECL_RTL (r, NULL_RTX);
DECL_SIZE (r) = DECL_SIZE_UNIT (r) = 0;
/* For __PRETTY_FUNCTION__ we have to adjust the initializer. */
if (DECL_PRETTY_FUNCTION_P (r))
{
const char *const name = (*decl_printable_name)
(current_function_decl, 2);
DECL_INITIAL (r) = cp_fname_init (name);
TREE_TYPE (r) = TREE_TYPE (DECL_INITIAL (r));
}
/* Even if the original location is out of scope, the newly
substituted one is not. */
if (TREE_CODE (r) == VAR_DECL)
@ -7353,10 +7344,6 @@ tsubst_expr (t, args, complain, in_decl)
{
init = DECL_INITIAL (decl);
decl = tsubst (decl, args, complain, in_decl);
if (DECL_PRETTY_FUNCTION_P (decl))
init = DECL_INITIAL (decl);
else
init = tsubst_expr (init, args, complain, in_decl);
if (decl != error_mark_node)
{
if (TREE_CODE (decl) != TYPE_DECL)
@ -7372,6 +7359,17 @@ tsubst_expr (t, args, complain, in_decl)
if (TREE_CODE (decl) == VAR_DECL)
DECL_TEMPLATE_INSTANTIATED (decl) = 1;
maybe_push_decl (decl);
if (DECL_PRETTY_FUNCTION_P (decl))
{
/* For __PRETTY_FUNCTION__ we have to adjust the
initializer. */
const char *const name
= (*decl_printable_name) (current_function_decl, 2);
init = cp_fname_init (name);
TREE_TYPE (decl) = TREE_TYPE (init);
}
else
init = tsubst_expr (init, args, complain, in_decl);
cp_finish_decl (decl, init, NULL_TREE, 0);
}
}

6
gcc/testsuite/g++.dg/template/friend.C
View File

@ -16,15 +16,15 @@ ostream& operator<<(ostream &o, const typename s<T>::t &x)
template <class T>
struct s {
struct t
{ // { dg-bogus "" "" { xfail *-*-* } }
{
friend ostream&
operator<<<T>(ostream&, const typename s<T>::t &); // { dg-bogus "" "" { xfail *-*-* } }
operator<<<T>(ostream&, const typename s<T>::t &);
};
t x;
};
int main()
{
s<int>::t y; // { dg-bogus "" "" { xfail *-*-* } }
s<int>::t y;
cout << y;
}