78 lines
2.0 KiB
Diff
78 lines
2.0 KiB
Diff
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2007-11-07 Jakub Jelinek <jakub@redhat.com>
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PR c++/33501
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* call.c (build_over_call): Don't check TREE_ADDRESSABLE
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on incomplete type.
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* g++.dg/warn/incomplete2.C: New test.
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* g++.dg/template/incomplete4.C: New test.
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* g++.dg/template/incomplete5.C: New test.
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--- gcc/cp/call.c (revision 129967)
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+++ gcc/cp/call.c (revision 129968)
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@@ -4993,7 +4993,8 @@ build_over_call (struct z_candidate *can
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/* Don't make a copy here if build_call is going to. */
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if (conv->kind == ck_rvalue
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- && !TREE_ADDRESSABLE (complete_type (type)))
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+ && COMPLETE_TYPE_P (complete_type (type))
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+ && !TREE_ADDRESSABLE (type))
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conv = conv->u.next;
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val = convert_like_with_context
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--- gcc/testsuite/g++.dg/warn/incomplete2.C (revision 0)
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+++ gcc/testsuite/g++.dg/warn/incomplete2.C (revision 129968)
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@@ -0,0 +1,13 @@
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+// PR c++/33501
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+// { dg-do compile }
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+
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+class A; // { dg-error "forward declaration" }
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+
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+int f (A);
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+const A &make ();
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+
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+int
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+main ()
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+{
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+ return f (make ()); // { dg-error "invalid use of undefined type|initializing argument" }
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+}
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--- gcc/testsuite/g++.dg/template/incomplete5.C (revision 0)
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+++ gcc/testsuite/g++.dg/template/incomplete5.C (revision 129968)
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@@ -0,0 +1,17 @@
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+// PR c++/33501
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+// { dg-do compile }
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+
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+class A; // { dg-error "forward declaration" }
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+
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+template <typename T> struct X
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+{
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+ static int f (T);
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+ static const T &make ();
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+ static const bool value = sizeof (f (make ())) == sizeof (int); // { dg-error "invalid use of undefined type|initializing argument" }
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+};
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+
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+int
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+main ()
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+{
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+ return X <A>::value;
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+}
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--- gcc/testsuite/g++.dg/template/incomplete4.C (revision 0)
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+++ gcc/testsuite/g++.dg/template/incomplete4.C (revision 129968)
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@@ -0,0 +1,16 @@
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+// PR c++/33501
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+// { dg-do compile }
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+
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+class A; // { dg-error "forward declaration" }
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+
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+template <typename T> struct X
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+{
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+ static int f (T);
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+ static const T &make ();
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+};
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+
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+int
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+main ()
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+{
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+ return X<A>::f (X<A>::make ()); // { dg-error "invalid use of undefined type|initializing argument" }
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+}
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