MapCache simplification. It is now a FixedArray that maps number of properties to a WeakCell with...

src/heap-snapshot-generator.cc

Index: src/heap-snapshot-generator.cc
diff --git a/src/heap-snapshot-generator.cc b/src/heap-snapshot-generator.cc
index 7f217bb8d64ecbc2f288b26d6e19bfad40f64211..df99de4d9847b96deff4f4ab73ebd8637180cb46 100644
--- a/src/heap-snapshot-generator.cc
+++ b/src/heap-snapshot-generator.cc
@@ -1282,7 +1282,7 @@ void V8HeapExplorer::ExtractContextReferences(int entry, Context* context) {
                   Context::FIRST_WEAK_SLOT);
     STATIC_ASSERT(Context::NEXT_CONTEXT_LINK + 1 ==
                   Context::NATIVE_CONTEXT_SLOTS);
-    STATIC_ASSERT(Context::FIRST_WEAK_SLOT + 5 ==
+    STATIC_ASSERT(Context::FIRST_WEAK_SLOT + 4 ==
                   Context::NATIVE_CONTEXT_SLOTS);
   }
 }