[wasm] Debug-time print for compiler graph

src/compiler/graph.h

Index: src/compiler/graph.h
diff --git a/src/compiler/graph.h b/src/compiler/graph.h
index 83b3592e03cc9214be4e4bcdeeb6d1f3d1af88ea..1e861c7b151e1bc6c18d8caddb455f599006d154 100644
--- a/src/compiler/graph.h
+++ b/src/compiler/graph.h
@@ -121,6 +121,9 @@ class V8_EXPORT_PRIVATE Graph final : public NON_EXPORTED_BASE(ZoneObject) {
   void AddDecorator(GraphDecorator* decorator);
   void RemoveDecorator(GraphDecorator* decorator);
 
+  // Very simple print API usable in a debugger.
+  void Print() const;
+
  private:
   friend class NodeMarkerBase;