Add a type conversion to fix Windows build after r12793

TBR=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11227034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/spaces.cc b/src/spaces.cc
index 6e0ddaf..583b2ca 100644 (file)
--- a/src/spaces.cc
+++ b/src/spaces.cc
@@ -448,7 +448,7 @@ MemoryChunk* MemoryChunk::Initialize(Heap* heap,
   chunk->slots_buffer_ = NULL;
   chunk->skip_list_ = NULL;
   chunk->write_barrier_counter_ = kWriteBarrierCounterGranularity;
-  chunk->high_water_mark_ = area_start - base;
+  chunk->high_water_mark_ = static_cast<int>(area_start - base);
   chunk->ResetLiveBytes();
   Bitmap::Clear(chunk);
   chunk->initialize_scan_on_scavenge(false);