Don't allocate AstTyper with the zone allocator.

src/compiler.cc

 // Copyright 2012 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/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 450 matching lines @@
        << " using Crankshaft";
     if (info()->is_osr()) os << " OSR";
     os << "]" << std::endl;
   }
 
   if (FLAG_trace_hydrogen) {
     isolate()->GetHTracer()->TraceCompilation(info());
   }
 
   // Type-check the function.
-  AstTyper::Run(info());
+  AstTyper(info()).Run();
 
   // Optimization could have been disabled by the parser. Note that this check
   // is only needed because the Hydrogen graph builder is missing some bailouts.
   if (info()->shared_info()->optimization_disabled()) {
     return AbortOptimization(
         info()->shared_info()->disable_optimization_reason());
   }
 
   graph_builder_ = (info()->is_tracking_positions() || FLAG_trace_ic)
                        ? new (info()->zone())
@@ skipping 1235 matching lines @@
 
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate(), zone()).PrintProgram(literal()));
 }
 #endif
 }  // namespace internal
 }  // namespace v8