hopefully silence a warning on the clang-i386-darwin9 tester.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index 5800ce7..3df552d 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -1027,7 +1027,7 @@
   
   // Itanium C++ ABI 2.3:
   //   A NULL pointer is represented as -1.
-  return llvm::ConstantInt::get(getTypes().ConvertTypeForMem(T), -1, 
+  return llvm::ConstantInt::get(getTypes().ConvertTypeForMem(T), -1ULL, 
                                 /*isSigned=*/true);
 }