[turbofan] Implement top-level lookup slot declaration.

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 7f0b63c905f50f9307e41e39880708e6a55f9918..5111c871467cdf69a90cda78165dd7ecab00a279 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -810,6 +810,7 @@ void FullCodeGenerator::VisitVariableDeclaration(
       }
       __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       __ CallRuntime(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }
@@ -867,6 +868,7 @@ void FullCodeGenerator::VisitFunctionDeclaration(
       VisitForStackValue(declaration->fun());
       PushOperand(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       CallRuntimeWithOperands(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }