1 files changed, 5 insertions, 16 deletions
diff --git a/src/qml/jsruntime/qv4identifiertable.cpp b/src/qml/jsruntime/qv4identifiertable.cpp
index 4305bc4647..21b47c3909 100644
--- a/src/qml/jsruntime/qv4identifiertable.cpp
+++ b/src/qml/jsruntime/qv4identifiertable.cpp
@@ -38,28 +38,18 @@
 ****************************************************************************/
 #include "qv4identifiertable_p.h"
 #include "qv4symbol_p.h"
+#include <private/qprimefornumbits_p.h>
 
 QT_BEGIN_NAMESPACE
 
 namespace QV4 {
 
-static const uchar prime_deltas[] = {
-    0,  0,  1,  3,  1,  5,  3,  3,  1,  9,  7,  5,  3,  9, 25,  3,
-    1, 21,  3, 21,  7, 15,  9,  5,  3, 29, 15,  0,  0,  0,  0,  0
-};
-
-static inline int primeForNumBits(int numBits)
-{
-    return (1 << numBits) + prime_deltas[numBits];
-}
-
-
 IdentifierTable::IdentifierTable(ExecutionEngine *engine, int numBits)
     : engine(engine)
     , size(0)
     , numBits(numBits)
 {
-    alloc = primeForNumBits(numBits);
+    alloc = qPrimeForNumBits(numBits);
     entriesByHash = (Heap::StringOrSymbol **)malloc(alloc*sizeof(Heap::StringOrSymbol *));
     entriesById = (Heap::StringOrSymbol **)malloc(alloc*sizeof(Heap::StringOrSymbol *));
     memset(entriesByHash, 0, alloc*sizeof(Heap::String *));
@@ -87,7 +77,7 @@ void IdentifierTable::addEntry(Heap::StringOrSymbol *str)
 
     if (grow) {
         ++numBits;
-        int newAlloc = primeForNumBits(numBits);
+        int newAlloc = qPrimeForNumBits(numBits);
         Heap::StringOrSymbol **newEntries = (Heap::StringOrSymbol **)malloc(newAlloc*sizeof(Heap::String *));
         memset(newEntries, 0, newAlloc*sizeof(Heap::StringOrSymbol *));
         for (uint i = 0; i < alloc; ++i) {
@@ -216,9 +206,8 @@ PropertyKey IdentifierTable::asPropertyKeyImpl(const Heap::String *str)
 
 Heap::StringOrSymbol *IdentifierTable::resolveId(PropertyKey i) const
 {
-    uint arrayIdx = i.asArrayIndex();
-    if (arrayIdx < UINT_MAX)
-        return engine->newString(QString::number(arrayIdx));
+    if (i.isArrayIndex())
+        return engine->newString(QString::number(i.asArrayIndex()));
     if (!i.isValid())
         return nullptr;