1 files changed, 27 insertions, 5 deletions
diff --git a/test/CodeGenCXX/extern-c.cpp b/test/CodeGenCXX/extern-c.cpp
index ca5cd73..a8c4f0c 100644
--- a/test/CodeGenCXX/extern-c.cpp
+++ b/test/CodeGenCXX/extern-c.cpp
@@ -1,16 +1,38 @@
-// RUN: %clang_cc1 -emit-llvm %s -o %t
+// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
 namespace foo {
 
-// RUN: not grep "@a = global i32" %t
+// CHECK-NOT: @a = global i32
 extern "C" int a;
 
-// RUN: not grep "@_ZN3foo1bE = global i32" %t
+// CHECK-NOT: @_ZN3foo1bE = global i32
 extern int b;
 
-// RUN: grep "@_ZN3foo1cE = global i32" %t | count 1
+// CHECK: @_ZN3foo1cE = global i32
 int c = 5;
 
-// RUN: not grep "@_ZN3foo1dE" %t
+// CHECK-NOT: @_ZN3foo1dE
 extern "C" struct d;
 
 }
+
+namespace test1 {
+  namespace {
+    struct X {};
+  }
+  extern "C" {
+    // CHECK: @test1_b = global
+    X test1_b = X();
+  }
+  void *use = &test1_b;
+  // CHECK: @_ZN5test13useE = global
+}
+
+namespace test2 {
+  namespace {
+    struct X {};
+  }
+
+  // CHECK: @test2_b = global
+  extern "C" X test2_b;
+  X test2_b;
+}