[compiler] Move ensuring deoptimization support to backends.

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 13499 matching lines @@
 
 
 void SharedFunctionInfo::ResetForNewContext(int new_ic_age) {
   code()->ClearInlineCaches();
   // If we clear ICs, we need to clear the type feedback vector too, since
   // CallICs are synced with a feedback vector slot.
   ClearTypeFeedbackInfo();
   set_ic_age(new_ic_age);
   if (code()->kind() == Code::FUNCTION) {
     code()->set_profiler_ticks(0);
-    if (optimization_disabled() &&
-        opt_count() >= FLAG_max_opt_count) {
+    if (optimization_disabled() && opt_count() >= FLAG_max_opt_count) {
       // Re-enable optimizations if they were disabled due to opt_count limit.
       set_optimization_disabled(false);
     }
+    set_opt_count(0);
+    set_deopt_count(0);
+  } else if (code()->is_interpreter_entry_trampoline()) {
+    set_profiler_ticks(0);
+    if (optimization_disabled() && opt_count() >= FLAG_max_opt_count) {
+      // Re-enable optimizations if they were disabled due to opt_count limit.
+      set_optimization_disabled(false);
+    }
     set_opt_count(0);
     set_deopt_count(0);
   }
 }
 
 
 int SharedFunctionInfo::SearchOptimizedCodeMapEntry(Context* native_context,
                                                     BailoutId osr_ast_id) {
   DisallowHeapAllocation no_gc;
   DCHECK(native_context->IsNativeContext());
@@ skipping 5844 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8