[turbofan] Implement top-level lookup slot declaration.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index 8d80e9ea3f99a6192f55e2a1e032378903c83552..340bdd5be8ca04b210f134773daa84bce73de955 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -758,6 +758,7 @@ void FullCodeGenerator::VisitVariableDeclaration(
       __ push(
           Immediate(Smi::FromInt(variable->DeclarationPropertyAttributes())));
       __ CallRuntime(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }
@@ -811,6 +812,7 @@ void FullCodeGenerator::VisitFunctionDeclaration(
       VisitForStackValue(declaration->fun());
       PushOperand(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       CallRuntimeWithOperands(Runtime::kDeclareLookupSlot);
+      PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
   }