[turbofan] Implement top-level lookup slot declaration.

src/full-codegen/x87/full-codegen-x87.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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 737 matching lines @@
       // 'undefined') because we may have a (legal) redeclaration and we
       // must not destroy the current value.
       if (hole_init) {
         __ push(Immediate(isolate()->factory()->the_hole_value()));
       } else {
         __ push(Immediate(Smi::FromInt(0)));  // Indicates no initial value.
       }
       __ push(
           Immediate(Smi::FromInt(variable->DeclarationPropertyAttributes())));
       __ CallRuntime(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }
 }
 
 void FullCodeGenerator::VisitFunctionDeclaration(
     FunctionDeclaration* declaration) {
   VariableProxy* proxy = declaration->proxy();
   Variable* variable = proxy->var();
   switch (variable->location()) {
@@ skipping 28 matching lines @@
       PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
 
     case VariableLocation::LOOKUP: {
       Comment cmnt(masm_, "[ FunctionDeclaration");
       PushOperand(variable->name());
       VisitForStackValue(declaration->fun());
       PushOperand(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       CallRuntimeWithOperands(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }
 }
 
 
 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ Push(pairs);
   __ Push(Smi::FromInt(DeclareGlobalsFlags()));
@@ skipping 3004 matching lines @@
       isolate->builtins()->OnStackReplacement()->entry(),
       Assembler::target_address_at(call_target_address, unoptimized_code));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87