Merge branch 4.7 into qt-4.8-from-4.7

Conflicts:
	doc/src/index.qdoc
	src/xmlpatterns/expr/qevaluationcache_p.h

2 files changed, 3 insertions, 3 deletions

diff --git a/src/xmlpatterns/expr/qevaluationcache.cpp b/src/xmlpatterns/expr/qevaluationcache.cpp
index 67109eb..3b6fc92 100644
--- a/src/xmlpatterns/expr/qevaluationcache.cpp
+++ b/src/xmlpatterns/expr/qevaluationcache.cpp
@@ -49,10 +49,9 @@ template<bool IsForGlobal>
 EvaluationCache<IsForGlobal>::EvaluationCache(const Expression::Ptr &op,
                                               const VariableDeclaration *varDecl,
                                               const VariableSlotID aSlot) : SingleContainer(op)
-                                                                          , m_declaration(varDecl)
+                                                                          , m_declarationUsedByMany(varDecl->usedByMany())
                                                                           , m_varSlot(aSlot)
 {
-    Q_ASSERT(m_declaration);
     Q_ASSERT(m_varSlot > -1);
 }
 
@@ -199,7 +198,7 @@ Expression::Ptr EvaluationCache<IsForGlobal>::compress(const StaticContext::Ptr
     if(m_operand->is(IDRangeVariableReference))
         return m_operand;
 
-    if(m_declaration->usedByMany())
+    if (m_declarationUsedByMany)
     {
         /* If it's only an atomic value an EvaluationCache is overkill. However,
          * it's still needed for functions like fn:current-time() that must adhere to
diff --git a/src/xmlpatterns/expr/qevaluationcache_p.h b/src/xmlpatterns/expr/qevaluationcache_p.h
index 4111634..67ee5c2 100644
--- a/src/xmlpatterns/expr/qevaluationcache_p.h
+++ b/src/xmlpatterns/expr/qevaluationcache_p.h
@@ -125,6 +125,7 @@ namespace QPatternist
     private:
         static DynamicContext::Ptr topFocusContext(const DynamicContext::Ptr &context);
         const VariableDeclaration* m_declaration;
+        bool m_declarationUsedByMany;
         /**
          * This variable must not be called m_slot. If it so, a compiler bug on
          * HP-UX-aCC-64 is triggered in the constructor initializor. See the