1 files changed, 25 insertions, 0 deletions
diff --git a/test/Modules/lookup.cpp b/test/Modules/lookup.cpp
new file mode 100644
index 0000000000000..d3245f2935f91
--- /dev/null
+++ b/test/Modules/lookup.cpp
@@ -0,0 +1,25 @@
+
+#define import __import_module__
+import lookup_left_cxx;
+#define IMPORT(X) __import_module__ X
+IMPORT(lookup_right_cxx);
+
+void test(int i, float f) {
+  // unqualified lookup
+  f0(&i);
+  f0(&f);
+
+  // qualified lookup into the translation unit
+  ::f0(&i);
+  ::f0(&f);
+}
+
+// RUN: %clang_cc1 -emit-module -x c++ -verify -o %T/lookup_left_cxx.pcm %S/Inputs/lookup_left.hpp
+// RUN: %clang_cc1 -emit-module -x c++ -o %T/lookup_right_cxx.pcm %S/Inputs/lookup_right.hpp
+// RUN: %clang_cc1 -x c++ -fmodule-cache-path %T -fdisable-module-hash %s -verify
+// RUN: %clang_cc1 -ast-print -x c++ -fmodule-cache-path %T -fdisable-module-hash %s | FileCheck -check-prefix=CHECK-PRINT %s
+
+// CHECK-PRINT: int *f0(int *);
+// CHECK-PRINT: float *f0(float *);
+// CHECK-PRINT: void test(int i, float f)
+