1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/Parser/nested-namespaces-recovery.cpp b/clang/test/Parser/nested-namespaces-recovery.cpp
new file mode 100644
index 0000000..d45938b
--- /dev/null
+++ b/clang/test/Parser/nested-namespaces-recovery.cpp
@@ -0,0 +1,24 @@
+// RUN: cp %s %t
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: not %clang_cc1 -x c++ -fixit %t
+// RUN: %clang_cc1 -x c++ %t
+
+namespace foo1::foo2::foo3 { // expected-error {{nested namespace definition must define each namespace separately}}
+  int foo(int x) { return x; }
+}
+
+int foo(int x) {
+  return foo1::foo2::foo3::foo(x);
+}
+
+namespace bar1 {
+  namespace bar2 {
+    namespace bar3 {
+      int bar(int x) { return x; }
+    }
+  }
+}
+
+int bar(int x) {
+  return bar1::bar2::bar3::bar(x);
+}