Version 3.7.9.

src/heap-inl.h

Index: src/heap-inl.h
===================================================================
--- src/heap-inl.h	(revision 10035)
+++ src/heap-inl.h	(working copy)
@@ -229,19 +229,21 @@
 }
 
 
-MaybeObject* Heap::NumberFromInt32(int32_t value) {
+MaybeObject* Heap::NumberFromInt32(
+    int32_t value, PretenureFlag pretenure) {
   if (Smi::IsValid(value)) return Smi::FromInt(value);
   // Bypass NumberFromDouble to avoid various redundant checks.
-  return AllocateHeapNumber(FastI2D(value));
+  return AllocateHeapNumber(FastI2D(value), pretenure);
 }
 
 
-MaybeObject* Heap::NumberFromUint32(uint32_t value) {
+MaybeObject* Heap::NumberFromUint32(
+    uint32_t value, PretenureFlag pretenure) {
   if ((int32_t)value >= 0 && Smi::IsValid((int32_t)value)) {
     return Smi::FromInt((int32_t)value);
   }
   // Bypass NumberFromDouble to avoid various redundant checks.
-  return AllocateHeapNumber(FastUI2D(value));
+  return AllocateHeapNumber(FastUI2D(value), pretenure);
 }
 
 
@@ -253,6 +255,9 @@
           ExternalString::kResourceOffset -
           kHeapObjectTag);
 
+  // Clear pointer cache.
+  ExternalString::cast(string)->clear_data_cache();
+
   // Dispose of the C++ object if it has not already been disposed.
   if (*resource_addr != NULL) {
     (*resource_addr)->Dispose();