When inlining fails, disable optimization of the proper function.

src/objects.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6076 matching lines @@
     // TODO(3025757): In case the recompiled isn't equivalent to the
     // old code, we have to replace it. We should try to avoid this
     // altogether because it flushes valuable type feedback by
     // effectively resetting all IC state.
     set_code(recompiled);
   }
   ASSERT(has_deoptimization_support());
 }
 
 
+void SharedFunctionInfo::DisableOptimization(JSFunction* function) {
+  // Disable optimization for the shared function info and mark the
+  // code as non-optimizable. The marker on the shared function info
+  // is there because we flush non-optimized code thereby loosing the
+  // non-optimizable information for the code. When the code is
+  // regenerated and set on the shared function info it is marked as
+  // non-optimizable if optimization is disabled for the shared
+  // function info.
+  set_optimization_disabled(true);
+  // Code should be the lazy compilation stub or else unoptimized.  If the
+  // latter, disable optimization for the code too.
+  ASSERT(code()->kind() == Code::FUNCTION || code()->kind() == Code::BUILTIN);
+  if (code()->kind() == Code::FUNCTION) {
+    code()->set_optimizable(false);
+  }
+  if (FLAG_trace_opt) {
+    PrintF("[disabled optimization for: ");
+    function->PrintName();
+    PrintF(" / %" V8PRIxPTR "]\n", reinterpret_cast<intptr_t>(function));
+  }
+}
+
+
 bool SharedFunctionInfo::VerifyBailoutId(int id) {
   // TODO(srdjan): debugging ARM crashes in hydrogen. OK to disable while
   // we are always bailing out on ARM.
 
   ASSERT(id != AstNode::kNoNumber);
   Code* unoptimized = code();
   DeoptimizationOutputData* data =
       DeoptimizationOutputData::cast(unoptimized->deoptimization_data());
   unsigned ignore = Deoptimizer::GetOutputInfo(data, id, this);
   USE(ignore);
@@ skipping 4359 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal