[modules] Implement namespace imports.

src/interpreter/bytecode-generator.h

Index: src/interpreter/bytecode-generator.h
diff --git a/src/interpreter/bytecode-generator.h b/src/interpreter/bytecode-generator.h
index c738e0fafc52f582b4163ed783d69257a5e65b75..118ed07e398573262537321d43a91811a7738f0d 100644
--- a/src/interpreter/bytecode-generator.h
+++ b/src/interpreter/bytecode-generator.h
@@ -141,6 +141,7 @@ class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> {
                                   ObjectLiteralProperty* property,
                                   Register value_out);
   void VisitForInAssignment(Expression* expr, FeedbackVectorSlot slot);
+  void VisitModuleNamespaceImports();
 
   // Visit the header/body of a loop iteration.
   void VisitIterationHeader(IterationStatement* stmt,