testcase for previous patch.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46662 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/merge-statics.c b/test/CodeGen/merge-statics.c
new file mode 100644
index 0000000..56fd7d4
--- /dev/null
+++ b/test/CodeGen/merge-statics.c
@@ -0,0 +1,13 @@
+// RUN: clang %s -emit-llvm | grep internal | count 1
+
+// The two decls for 'a' should merge into one llvm GlobalVariable.
+
+struct s { int x; };
+static struct s a;
+
+struct s *ap1 = &a;
+
+static struct s a =  {
+    10
+};
+