[VM generic function reification] Support generic functions in Invocation class.

runtime/vm/isolate_reload.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/isolate_reload.h"
 
 #include "vm/become.h"
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
@@ skipping 1308 matching lines @@
   iteration.IterateObjects(&check_canonical);
 #endif  // DEBUG
 }
 
 void IsolateReloadContext::RehashConstants() {
   TIMELINE_SCOPE(RehashConstants);
   ClassTable* class_table = I->class_table();
   Class& cls = Class::Handle(zone_);
   const intptr_t top = class_table->NumCids();
   for (intptr_t cid = kInstanceCid; cid < top; cid++) {
+    if (cid == kTypeArgumentsCid) {
+      continue;
+    }
     if (!class_table->IsValidIndex(cid) || !class_table->HasValidClassAt(cid)) {
       // Skip invalid classes.
       continue;
     }
     if (RawObject::IsNumberClassId(cid) || RawObject::IsStringClassId(cid)) {
       // Skip classes that cannot be affected by the 'become' operation.
       continue;
     }
     // Rehash constants.
     cls = class_table->At(cid);
@@ skipping 543 matching lines @@
         ASSERT(!super_cls.IsNull());
         super_cls.AddDirectSubclass(cls);
       }
     }
   }
 }
 
 #endif  // !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
 
 }  // namespace dart