Tests that the GC doesn't mistake non-pointer constant pool entries as poitners.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 2521 matching lines @@
 
 void ConstantPoolArray::set(int index, Address value) {
   ASSERT(map() == GetHeap()->constant_pool_array_map());
   ASSERT(get_type(index) == CODE_PTR);
   WRITE_FIELD(this, OffsetOfElementAt(index), reinterpret_cast<Object*>(value));
 }
 
 
 void ConstantPoolArray::set(int index, Object* value) {
   ASSERT(map() == GetHeap()->constant_pool_array_map());
+  ASSERT(!GetHeap()->InNewSpace(value));
   ASSERT(get_type(index) == HEAP_PTR);
   WRITE_FIELD(this, OffsetOfElementAt(index), value);
   WRITE_BARRIER(GetHeap(), this, OffsetOfElementAt(index), value);
 }
 
 
 void ConstantPoolArray::set(int index, int32_t value) {
   ASSERT(map() == GetHeap()->constant_pool_array_map());
   ASSERT(get_type(index) == INT32);
   WRITE_INT32_FIELD(this, OffsetOfElementAt(index), value);
@@ skipping 24 matching lines @@
 void ConstantPoolArray::set_at_offset(int offset, Address value) {
   ASSERT(map() == GetHeap()->constant_pool_array_map());
   ASSERT(offset_is_type(offset, CODE_PTR));
   WRITE_FIELD(this, offset, reinterpret_cast<Object*>(value));
   WRITE_BARRIER(GetHeap(), this, offset, reinterpret_cast<Object*>(value));
 }
 
 
 void ConstantPoolArray::set_at_offset(int offset, Object* value) {
   ASSERT(map() == GetHeap()->constant_pool_array_map());
+  ASSERT(!GetHeap()->InNewSpace(value));
   ASSERT(offset_is_type(offset, HEAP_PTR));
   WRITE_FIELD(this, offset, value);
   WRITE_BARRIER(GetHeap(), this, offset, value);
 }
 
 
 void ConstantPoolArray::Init(const NumberOfEntries& small) {
   uint32_t small_layout_1 =
       Int64CountField::encode(small.count_of(INT64)) |
       CodePtrCountField::encode(small.count_of(CODE_PTR)) |
@@ skipping 4618 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_