avoid a warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29674 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h
index 99ad5fe3c24311311c0502b9e5599654619ca7cb..ae258846e74c0c7e4d048663e1e0502679f7ea8b 100644 (file)
--- a/include/llvm/ADT/SmallVector.h
+++ b/include/llvm/ADT/SmallVector.h
@@ -196,7 +196,7 @@ SmallVectorImpl<T>::operator=(const SmallVectorImpl<T> &RHS) {
   
   // If we have to grow to have enough elements, destroy the current elements.
   // This allows us to avoid copying them during the grow.
-  if (Capacity-Begin < RHSSize) {
+  if (unsigned(Capacity-Begin) < RHSSize) {
     // Destroy current elements.
     for (iterator I = Begin, E = End; I != E; ++I)
       I->~T();