Fix not proper chunk sizes in serializer.

src/serialize.cc

Index: src/serialize.cc
===================================================================
--- src/serialize.cc	(revision 24979)
+++ src/serialize.cc	(working copy)
@@ -1915,7 +1915,13 @@
   CHECK(space >= 0 && space < kNumberOfPreallocatedSpaces);
   DCHECK(size > 0 && size <= Page::kMaxRegularHeapObjectSize);
   uint32_t new_chunk_size = pending_chunk_[space] + size;
-  if (new_chunk_size > static_cast<uint32_t>(Page::kMaxRegularHeapObjectSize)) {
+  const int kMaxChunkSize =
+      space == CODE_SPACE ?
+          // Code page has addidional guard areas at the start and at the end.
+          Page::kPageSize - (MemoryAllocator::CodePageAreaStartOffset() +
+              MemoryAllocator::CodePageGuardSize()) :
+          Page::kMaxRegularHeapObjectSize;

[Yang, 2014/10/30 09:36:29]

Wouldn't it be easier to use MemoryAllocator::CodePageAreaSize()?

+  if (new_chunk_size > static_cast<uint32_t>(kMaxChunkSize)) {
     // The new chunk size would not fit onto a single page. Complete the
     // current chunk and start a new one.
     completed_chunks_[space].Add(pending_chunk_[space]);