qsharedpointer autotest fails to build

the qsharedpointer autotest fails to build with the below message:

test@qttest:~/tmp/qt/tests/auto/qsharedpointer$ gmake
/export/home/test/tmp/qt/bin/moc -DSRCDIR=\"/export/home/test/tmp/qt/tests/auto/qsharedpointer/\" -DDEFAULT_MAKESPEC=\"/export/home/test/tmp/qt/mkspecs/solaris-cc\" -DQT_CORE_LIB -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_SHARED -I../../../mkspecs/solaris-cc -I. -I../../../include/QtCore -I../../../include -I../../../include/QtTest -I.moc/debug-shared -I/usr/sfw/include tst_qsharedpointer.cpp -o .moc/debug-shared/tst_qsharedpointer.moc
/export/home/test/bin/CC -c -g -mt -DSRCDIR=\"/export/home/test/tmp/qt/tests/auto/qsharedpointer/\" -DDEFAULT_MAKESPEC=\"/export/home/test/tmp/qt/mkspecs/solaris-cc\" -DQT_CORE_LIB -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_SHARED -I../../../mkspecs/solaris-cc -I. -I../../../include/QtCore -I../../../include -I../../../include/QtTest -I.moc/debug-shared -I/usr/sfw/include -o .obj/debug-shared/tst_qsharedpointer.o tst_qsharedpointer.cpp
"../../../include/QtCore/../../src/corelib/tools/qsharedpointer_impl.h", line 578: Error: d is not accessible from QWeakPointer<Data>::QWeakPointer(const QSharedPointer<Data>&).
"tst_qsharedpointer.cpp", line 241: Where: While instantiating "QWeakPointer<Data>::QWeakPointer(const QSharedPointer<Data>&)".
"tst_qsharedpointer.cpp", line 241: Where: Instantiated from non-template code.
1 Error(s) detected.
gmake: *** [.obj/debug-shared/tst_qsharedpointer.o] Error 1

this patch helped:
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index e25e0c1..e380e91 100644
— a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -158,7 +158,8 @@ namespace QtSharedPointer {
#if defined(Q_NO_TEMPLATE_FRIENDS)
public:
#else

• template <class X> friend class QWeakPointer;
  + //template <class X> friend class QWeakPointer;
  + template <class X> friend class ::QWeakPointer;
  #endif

Type *value;
@@ -401,7 +402,8 @@ namespace QtSharedPointer {
public:
#else
template <class X> friend class ExternalRefCount;

• template <class X> friend class QWeakPointer;
  + //template <class X> friend class QWeakPointer;
  + template <class X> friend class ::QWeakPointer;
  template <class X, class Y> friend QSharedPointer<X> copyAndSetPointer(X * ptr, const QSharedPointer<Y> &src);
  #endif