Some const initializer tests for stuff I just committed.

llvm-svn: 47442
diff --git a/clang/test/CodeGen/const-init.c b/clang/test/CodeGen/const-init.c
new file mode 100644
index 0000000..e3f110d
--- /dev/null
+++ b/clang/test/CodeGen/const-init.c
@@ -0,0 +1,13 @@
+// RUN: clang -emit-llvm %s
+
+#include <stdint.h>
+
+// Brace-enclosed string array initializers
+char a[] = { "asdf" };
+
+// Double-implicit-conversions of array/functions (not legal C, but
+// clang accepts it for gcc compat).
+intptr_t b = a;
+int c();
+void *d = c;
+intptr_t e = c;