New code-quality testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12205 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CFrontend/2004-03-07-ExternalConstant.c.tr b/test/CFrontend/2004-03-07-ExternalConstant.c.tr
new file mode 100644 (file)
index 0000000..b8e13a3
--- /dev/null
+++ b/test/CFrontend/2004-03-07-ExternalConstant.c.tr
@@ -0,0 +1,7 @@
+// RUN: %llvmgcc -xc %s -c -o - | llvm-dis | grep constant
+
+extern const int a[];   // 'a' should be marked constant even though it's external!
+int foo () {
+  return a[0];
+}
+