Add FIXED_DOUBLE_ARRAY_TYPE to INSTANCE_TYPE_LIST_ALL in objects.h

Leaving this out can cause crashes when running with --heap-stats (but this is only used when reporting heap statistics, so this is not a stability issue).
Review URL: http://codereview.chromium.org/7647018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.h

@@ -322,6 +322,7 @@ static const int kVariableSizeSentinel = 0;
   V(POLYMORPHIC_CODE_CACHE_TYPE)                                               \
                                                                                \
   V(FIXED_ARRAY_TYPE)                                                          \
+  V(FIXED_DOUBLE_ARRAY_TYPE)                                                   \
   V(SHARED_FUNCTION_INFO_TYPE)                                                 \
                                                                                \
   V(JS_MESSAGE_OBJECT_TYPE)                                                    \