Fixed rounding up EltSize

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66594 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Support/Allocator.h

@@ -77,7 +77,7 @@ public:
   template <typename T>
   T *Allocate(size_t Num, unsigned Alignment) {
     // Round EltSize up to the specified alignment.
-    unsigned EltSize = (sizeof(T)+Alignment-1)&~Alignment;
+    unsigned EltSize = (sizeof(T)+Alignment-1)&(-Alignment);
     return static_cast<T*>(Allocate(Num * EltSize, Alignment));
   }