Rename a variable to avoid a -Wshadow warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index d5e4d51..f792a7f 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -835,7 +835,7 @@
             } else if (BlockLoop != Child) {
               LoopT *SubLoop = BlockLoop;
               // Reparent all of the blocks which used to belong to BlockLoops
-              for (unsigned j = 0, e = SubLoop->Blocks.size(); j != e; ++j)
+              for (unsigned j = 0, f = SubLoop->Blocks.size(); j != f; ++j)
                 ContainingLoops[SubLoop->Blocks[j]] = Child;
 
               // There is already a loop which contains this block, that means