Fix memory leak bugs in XmlPatterns

In XmlPatterns implementation, QExplicitlySharedDataPointer and
QSharedData classes are widely used. The over use of these classes
has cuased couple of cyclic references. Some codes are refactored
to use plain C++ pointer to break the reference loop.

Task-number: QTBUG-15191
Reviewed-by: Laszlo Agocs and Sami Merila

1 files changed, 1 insertions, 1 deletions

diff --git a/src/xmlpatterns/expr/qevaluationcache.cpp b/src/xmlpatterns/expr/qevaluationcache.cpp
index 2d1bb56..cb95af6 100644
--- a/src/xmlpatterns/expr/qevaluationcache.cpp
+++ b/src/xmlpatterns/expr/qevaluationcache.cpp
@@ -49,7 +49,7 @@ template<bool IsForGlobal>
 EvaluationCache<IsForGlobal>::EvaluationCache(const Expression::Ptr &op,
                                               const VariableDeclaration::Ptr &varDecl,
                                               const VariableSlotID aSlot) : SingleContainer(op)
-                                                                          , m_declaration(varDecl)
+                                                                          , m_declaration(varDecl.constData())
                                                                           , m_varSlot(aSlot)
 {
     Q_ASSERT(m_declaration);