Explicitly cast narrowing conversions inside {}s that will become errors in
C++0x.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136211 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 116076c..01257a1 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -374,7 +374,8 @@
       }
       
       if (Scale) {
-        VariableGEPIndex Entry = {Index, Extension, Scale};
+        VariableGEPIndex Entry = {Index, Extension,
+                                  static_cast<int64_t>(Scale)};
         VarIndices.push_back(Entry);
       }
     }