Fix Casts

Use const_cast<> to avoid cast-away-const errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172464 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/IR/WaymarkTest.cpp b/unittests/IR/WaymarkTest.cpp
index 69fc4da..1e98075 100644
--- a/unittests/IR/WaymarkTest.cpp
+++ b/unittests/IR/WaymarkTest.cpp
@@ -46,7 +46,8 @@
 	Use::initTags(many, many + 8212);
   for (const Use *U = many, *Ue = many + 8212 - 1; U != Ue; ++U)
   {
-    EXPECT_EQ((User*)(Ue + 1), U->getUser());
+    EXPECT_EQ(reinterpret_cast<User*>(const_cast<Use *>(Ue + 1)),
+              U->getUser());
   }
 }