2 files changed, 34 insertions, 0 deletions
diff --git a/clang/test/ASTMerge/namespace/Inputs/namespace1.cpp b/clang/test/ASTMerge/namespace/Inputs/namespace1.cpp
new file mode 100644
index 00000000000..1ff84f3111c
--- /dev/null
+++ b/clang/test/ASTMerge/namespace/Inputs/namespace1.cpp
@@ -0,0 +1,17 @@
+// Merge success
+namespace N1 {
+  int x;
+}
+
+// Merge multiple namespaces
+namespace N2 {
+  extern int x;
+}
+namespace N2 {
+  extern float y;
+}
+
+// Merge namespace with conflict
+namespace N3 {
+  extern float z;
+}
diff --git a/clang/test/ASTMerge/namespace/Inputs/namespace2.cpp b/clang/test/ASTMerge/namespace/Inputs/namespace2.cpp
new file mode 100644
index 00000000000..80429f700b1
--- /dev/null
+++ b/clang/test/ASTMerge/namespace/Inputs/namespace2.cpp
@@ -0,0 +1,17 @@
+// Merge success
+namespace N1 {
+  extern int x0;
+}
+
+// Merge multiple namespaces
+namespace N2 {
+  extern int x;
+}
+namespace N2 {
+  extern float y;
+}
+
+// Merge namespace with conflict
+namespace N3 {
+  extern double z;
+}