Add some Objective-C code generation tests.
 - Note that these don't really test anything other than that code
   generation doesn't fail or crash. Better than nothing though!

llvm-svn: 55761
diff --git a/clang/test/CodeGenObjC/constant-strings.m b/clang/test/CodeGenObjC/constant-strings.m
new file mode 100644
index 0000000..879f91a
--- /dev/null
+++ b/clang/test/CodeGenObjC/constant-strings.m
@@ -0,0 +1,4 @@
+// RUN: clang -fnext-runtime -emit-llvm -o %t %s
+
+id a = @"Hello World!";
+