Don't allocate AstTyper with the zone allocator.

src/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast-numbering.h"
@@ skipping 8317 matching lines @@
                 "too few arguments passed to a strong function");
     return false;
   }
 
   // ----------------------------------------------------------------
   // After this point, we've made a decision to inline this function (so
   // TryInline should always return true).
 
   // Type-check the inlined function.
   DCHECK(target_shared->has_deoptimization_support());
-  AstTyper::Run(&target_info);
+  AstTyper(&target_info).Run();
 
   int inlining_id = 0;
   if (top_info()->is_tracking_positions()) {
     inlining_id = top_info()->TraceInlinedFunction(
         target_shared, source_position(), function_state()->inlining_id());
   }
 
   // Save the pending call context. Set up new one for the inlined function.
   // The function state is new-allocated because we need to delete it
   // in two different places.
@@ skipping 5086 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8