diff --git a/clang/lib/AST/JSONNodeDumper.cpp b/clang/lib/AST/JSONNodeDumper.cpp
--- a/clang/lib/AST/JSONNodeDumper.cpp
+++ b/clang/lib/AST/JSONNodeDumper.cpp
@@ -74,6 +74,7 @@
 
   JOS.attribute("kind", (llvm::Twine(T->getTypeClassName()) + "Type").str());
   JOS.attribute("type", createQualType(QualType(T, 0), /*Desugar*/ false));
+  attributeOnlyIfTrue("containsErrors", T->containsErrors());
   attributeOnlyIfTrue("isDependent", T->isDependentType());
   attributeOnlyIfTrue("isInstantiationDependent",
                       T->isInstantiationDependentType());
diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp
--- a/clang/lib/AST/TextNodeDumper.cpp
+++ b/clang/lib/AST/TextNodeDumper.cpp
@@ -202,6 +202,9 @@
   if (SingleStepDesugar != QualType(T, 0))
     OS << " sugar";
 
+  if (T->containsErrors())
+    OS << " contains-errors";
+
   if (T->isDependentType())
     OS << " dependent";
   else if (T->isInstantiationDependentType())