Fix a warning due to signed/unsigned comparison.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297639 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/STLExtras.h b/include/llvm/ADT/STLExtras.h
index 111c7a1cb3b2e57768f5b526f7f283a91484aca9..7efd40e6c5143a2806aa200ad4325dcac0d82dfd 100644 (file)
--- a/include/llvm/ADT/STLExtras.h
+++ b/include/llvm/ADT/STLExtras.h
@@ -1031,7 +1031,7 @@ public:
   const result_type &operator*() const { return Result; }
 
   enumerator_iter<R> &operator++() {
-    assert(Result.Index != -1);
+    assert(Result.Index != size_t(-1));
     ++Result.Iter;
     ++Result.Index;
     return *this;