Make sure bound functions never make it into optimized code map.

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 672 matching lines @@
   shared->set_feedback_vector(*info->feedback_vector());
 
   return info->code();
 }
 
 
 MUST_USE_RESULT static MaybeHandle<Code> GetCodeFromOptimizedCodeMap(
     Handle<JSFunction> function, BailoutId osr_ast_id) {
   if (FLAG_cache_optimized_code) {
     Handle<SharedFunctionInfo> shared(function->shared());
-    // Bound functions are not cached.
-    if (shared->bound()) return MaybeHandle<Code>();
     DisallowHeapAllocation no_gc;
     int index = shared->SearchOptimizedCodeMap(
         function->context()->native_context(), osr_ast_id);
     if (index > 0) {
       if (FLAG_trace_opt) {
         PrintF("[found optimized code for ");
         function->ShortPrint();
         if (!osr_ast_id.IsNone()) {
           PrintF(" at OSR AST id %d", osr_ast_id.ToInt());
         }
@@ skipping 11 matching lines @@
 }
 
 
 static void InsertCodeIntoOptimizedCodeMap(CompilationInfo* info) {
   Handle<Code> code = info->code();
   if (code->kind() != Code::OPTIMIZED_FUNCTION) return;  // Nothing to do.
 
   // Context specialization folds-in the context, so no sharing can occur.
   if (code->is_turbofanned() && info->is_context_specializing()) return;
 
+  // Do not cache bound functions.
+  if (info->closure()->shared()->bound()) return;
+
   // Cache optimized code.
   if (FLAG_cache_optimized_code) {
     Handle<JSFunction> function = info->closure();
     Handle<SharedFunctionInfo> shared(function->shared());
-    // Do not cache bound functions.
-    if (shared->bound()) return;
     Handle<FixedArray> literals(function->literals());
     Handle<Context> native_context(function->context()->native_context());
     SharedFunctionInfo::AddToOptimizedCodeMap(shared, native_context, code,
                                               literals, info->osr_ast_id());
   }
 }
 
 
 static bool Renumber(ParseInfo* parse_info) {
   if (!AstNumbering::Renumber(parse_info->isolate(), parse_info->zone(),
@@ skipping 826 matching lines @@
 
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate(), zone()).PrintProgram(function()));
 }
 #endif
 }  // namespace internal
 }  // namespace v8