Abort optimization in corner case.

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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 326 matching lines @@
   MODULE_NODE_LIST(DEF_VISIT)
   DECLARATION_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 };
 
 
 OptimizedCompileJob::Status OptimizedCompileJob::CreateGraph() {
   DCHECK(info()->IsOptimizing());
   DCHECK(!info()->IsCompilingForDebugging());
 
-  // We should never arrive here if optimization has been disabled on the
-  // shared function info.
-  DCHECK(!info()->shared_info()->optimization_disabled());
+  // Optimization could have been disabled by the parser.
+  if (info()->shared_info()->optimization_disabled()) {
+    return AbortOptimization(
+        info()->shared_info()->disable_optimization_reason());
+  }
 
   // Do not use crankshaft if we need to be able to set break points.
   if (isolate()->DebuggerHasBreakPoints()) {
     return RetryOptimization(kDebuggerHasBreakPoints);
   }
 
   // Limit the number of times we re-compile a functions with
   // the optimizing compiler.
   const int kMaxOptCount =
       FLAG_deopt_every_n_times == 0 ? FLAG_max_opt_count : 1000;
@@ skipping 1139 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal