diff --git a/test/CFrontend/2005-02-27-MarkGlobalConstant.c b/test/CFrontend/2005-02-27-MarkGlobalConstant.c
new file mode 100644
index 00000000000..bf3130bbeeb
--- /dev/null
+++ b/test/CFrontend/2005-02-27-MarkGlobalConstant.c
@@ -0,0 +1,10 @@
+// RUN: %llvmgcc -xc %s -S -o - | grep 'ctor_.* constant '
+
+// The synthetic global made by the CFE for big initializer should be marked
+// constant.
+
+void bar();
+void foo() {
+  char Blah[] = "asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd";
+  bar(Blah);
+}