Differentate between code target pointers and heap pointers in constant pools.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 626ff00931a3be3841bc5b216aff90279875e35d..205923376aa41222ef1bb4e39200ce58e0a869f4 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -404,6 +404,13 @@ void FixedDoubleArray::FixedDoubleArrayVerify() {
 
 void ConstantPoolArray::ConstantPoolArrayVerify() {
   CHECK(IsConstantPoolArray());
+  for (int i = 0; i < count_of_code_ptr_entries(); i++) {
+    Address code_entry = get_code_ptr_entry(first_code_ptr_index() + i);
+    VerifyPointer(Code::GetCodeFromTargetAddress(code_entry));
+  }
+  for (int i = 0; i < count_of_heap_ptr_entries(); i++) {
+    VerifyObjectField(OffsetOfElementAt(first_heap_ptr_index() + i));
+  }
 }