add codegen support for global inits that require array decay.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44511 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/globalinit.c b/test/CodeGen/globalinit.c
index e94027c..dc7cdb9 100644
--- a/test/CodeGen/globalinit.c
+++ b/test/CodeGen/globalinit.c
@@ -8,3 +8,7 @@
 int x[10];
 void bar() { x[0] = 1; }
 
+
+extern int x[];
+void *g = x;
+