Clear optimized code cache in shared function info when code gets deoptimized

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 082a480ee85937092785c2f8fcaf5a4c42fd25ef..64366e2db46e7a3afeb96df0b2fc94930a4fe834 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -793,6 +793,13 @@ void LCodeGen::PopulateDeoptimizationData(Handle<Code> code) {
   data->SetTranslationByteArray(*translations);
   data->SetInlinedFunctionCount(Smi::FromInt(inlined_function_count_));
   data->SetOptimizationId(Smi::FromInt(info_->optimization_id()));
+  if (info_->IsOptimizing()) {
+    // Reference to shared function info does not change between phases.
+    AllowDeferredHandleDereference allow_handle_dereference;
+    data->SetSharedFunctionInfo(*info_->shared_info());
+  } else {
+    data->SetSharedFunctionInfo(Smi::FromInt(0));
+  }
 
   Handle<FixedArray> literals =
       factory()->NewFixedArray(deoptimization_literals_.length(), TENURED);