1 files changed, 7 insertions, 3 deletions
diff --git a/deps/v8/src/ast/prettyprinter.h b/deps/v8/src/ast/prettyprinter.h
index cc29052c2d9..71019fe264f 100644
--- a/deps/v8/src/ast/prettyprinter.h
+++ b/deps/v8/src/ast/prettyprinter.h
@@ -8,14 +8,16 @@
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/base/compiler-specific.h"
-#include "src/string-builder.h"
 
 namespace v8 {
 namespace internal {
 
+class IncrementalStringBuilder;  // to avoid including string-builder-inl.h
+
 class CallPrinter final : public AstVisitor<CallPrinter> {
  public:
   explicit CallPrinter(Isolate* isolate, bool is_user_js);
+  ~CallPrinter();
 
   // The following routine prints the node with position |position| into a
   // string.
@@ -42,7 +44,8 @@ class CallPrinter final : public AstVisitor<CallPrinter> {
 
   Isolate* isolate_;
   int num_prints_;
-  IncrementalStringBuilder builder_;
+  // Allocate the builder on the heap simply because it's forward declared.
+  std::unique_ptr<IncrementalStringBuilder> builder_;
   int position_;  // position of ast node to print
   bool found_;
   bool done_;
@@ -107,7 +110,8 @@ class AstPrinter final : public AstVisitor<AstPrinter> {
                             bool quote);
   void PrintLiteralWithModeIndented(const char* info, Variable* var,
                                     const AstRawString* value);
-  void PrintLabelsIndented(ZonePtrList<const AstRawString>* labels);
+  void PrintLabelsIndented(ZonePtrList<const AstRawString>* labels,
+                           const char* prefix = "");
   void PrintObjectProperties(ZonePtrList<ObjectLiteral::Property>* properties);
   void PrintClassProperties(ZonePtrList<ClassLiteral::Property>* properties);