Fix miscompile. Add back the use of the ArrayRef version of the ::get method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173613 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index 937514a..8ec192b 100644
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -30,8 +30,11 @@
 // Attribute Implementation
 //===----------------------------------------------------------------------===//
 
-Attribute Attribute::get(LLVMContext &Context, AttrKind Kind) {
-  AttrBuilder B(Kind);
+Attribute Attribute::get(LLVMContext &Context, ArrayRef<AttrKind> Kinds) {
+  AttrBuilder B;
+  for (ArrayRef<AttrKind>::iterator I = Kinds.begin(), E = Kinds.end();
+       I != E; ++I)
+    B.addAttribute(*I);
   return Attribute::get(Context, B);
 }