* Move irregexp backtrack stack to external memory area, instead of the system stack.

src/regexp-macro-assembler.cc

Index: src/regexp-macro-assembler.cc
diff --git a/src/regexp-macro-assembler.cc b/src/regexp-macro-assembler.cc
index 34925f56677972bc7bd03236d50aed61d2bb2e5d..913ac6462acc55546f7e32452e7381b0f9ffc8ee 100644
--- a/src/regexp-macro-assembler.cc
+++ b/src/regexp-macro-assembler.cc
@@ -68,10 +68,11 @@ ArraySlice ByteArrayProvider::GetBuffer(unsigned int size,
   return ArraySlice(current_byte_array_, free_offset);
 }
 
+
 template <typename T>
 ArraySlice ByteArrayProvider::GetBuffer(Vector<T> values) {
   ArraySlice slice = GetBuffer(values.length(), sizeof(T));
   memcpy(slice.location(), values.start(), values.length() * sizeof(T));
   return slice;
 }
-} }
+} }  // namespace v8::internal