Initialize the variable to a valid value.

src/factory.cc

Index: src/factory.cc
===================================================================
--- src/factory.cc	(revision 540)
+++ src/factory.cc	(working copy)
@@ -683,7 +683,7 @@
   }
 
   int instance_size = kPointerSize * internal_field_count;
-  InstanceType type;
+  InstanceType type = JS_OBJECT_TYPE;  // initialize to a valid value

[iposva, 2008/10/21 20:13:39]

I would prefer to see a NO_TYPE in the InstanceType enum to be able to clearly
indicate that this variable initialization is expected to be overridden. I
understand that there currently is no such invalid InstanceType.

   switch (instance_type) {
     case JavaScriptObject:
       type = JS_OBJECT_TYPE;