gcc/gcc41-pr34213.patch

69 lines
1.8 KiB
Diff

2007-11-27 Jakub Jelinek <jakub@redhat.com>
PR c++/34213
* tree.c (decl_linkage): Static data members and static member
functions in anonymous ns classes are lk_external.
* g++.dg/ext/visibility/anon8.C: New test.
--- gcc/cp/tree.c (revision 130462)
+++ gcc/cp/tree.c (revision 130463)
@@ -2526,10 +2526,18 @@ decl_linkage (tree decl)
/* Members of the anonymous namespace also have TREE_PUBLIC unset, but
are considered to have external linkage for language purposes. DECLs
really meant to have internal linkage have DECL_THIS_STATIC set. */
- if (TREE_CODE (decl) == TYPE_DECL
- || ((TREE_CODE (decl) == VAR_DECL || TREE_CODE (decl) == FUNCTION_DECL)
- && !DECL_THIS_STATIC (decl)))
+ if (TREE_CODE (decl) == TYPE_DECL)
return lk_external;
+ if (TREE_CODE (decl) == VAR_DECL || TREE_CODE (decl) == FUNCTION_DECL)
+ {
+ if (!DECL_THIS_STATIC (decl))
+ return lk_external;
+
+ /* Static data members and static member functions from classes
+ in anonymous namespace also don't have TREE_PUBLIC set. */
+ if (DECL_CLASS_CONTEXT (decl))
+ return lk_external;
+ }
/* Everything else has internal linkage. */
return lk_internal;
--- gcc/testsuite/g++.dg/ext/visibility/anon8.C (revision 0)
+++ gcc/testsuite/g++.dg/ext/visibility/anon8.C (revision 130463)
@@ -0,0 +1,33 @@
+// PR c++/34213
+// { dg-do compile }
+
+template <void (*fn) ()>
+void call ()
+{
+ fn ();
+}
+
+namespace
+{
+ struct B1
+ {
+ static void fn1 () {}
+ static void fn4 ();
+ };
+ void fn3 () {}
+ void B1::fn4 () {}
+ static void fn5 () {}
+}
+
+int main ()
+{
+ struct B2
+ {
+ static void fn2 () {}
+ };
+ call<&B1::fn1> ();
+ call<&B2::fn2> (); // { dg-error "not external linkage|no matching" }
+ call<&fn3> ();
+ call<&B1::fn4> ();
+ call<&fn5> (); // { dg-error "not external linkage|no matching" }
+}