Change ConstantArray to 2.5 API.

llvm-svn: 77347
diff --git a/llvm/lib/CodeGen/ShadowStackGC.cpp b/llvm/lib/CodeGen/ShadowStackGC.cpp
index 9d141e9..801a99b 100644
--- a/llvm/lib/CodeGen/ShadowStackGC.cpp
+++ b/llvm/lib/CodeGen/ShadowStackGC.cpp
@@ -209,7 +209,7 @@
 
   Constant *DescriptorElts[] = {
     ConstantStruct::get(BaseElts, 2),
-    Context.getConstantArray(Context.getArrayType(VoidPtr, NumMeta),
+    ConstantArray::get(Context.getArrayType(VoidPtr, NumMeta),
                        Metadata.begin(), NumMeta)
   };