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
@@ -1981,7 +1981,7 @@
       dumpBareDeclRef(TC->getFoundDecl());
       OS << ")";
     }
-    Visit(TC->getImmediatelyDeclaredConstraint());
+    AddChild([=] { Visit(TC->getImmediatelyDeclaredConstraint()); });
   } else if (D->wasDeclaredWithTypename())
     OS << " typename";
   else
diff --git a/clang/test/AST/ast-dump-concepts.cpp b/clang/test/AST/ast-dump-concepts.cpp
new file mode 100644
--- /dev/null
+++ b/clang/test/AST/ast-dump-concepts.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++2a -ast-dump -ast-dump-filter Foo %s | FileCheck -strict-whitespace %s
+
+template <typename T, typename U>
+concept not_same_as = true;
+
+template <typename T>
+struct Foo {
+  // CHECK:      TemplateTypeParmDecl {{.*}} referenced Concept {{.*}} 'not_same_as'
+  // CHECK-NEXT: |-ConceptSpecializationExpr {{.*}} 'bool'
+  // CHECK-NEXT: `-TemplateArgument {{.*}} type 'int'
+  template <not_same_as<int> R>
+  Foo(R) requires(true);
+};