Don't recycle loop variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129928 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 703ac36..c6e1bd5 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -1001,7 +1001,7 @@
     DEBUG(dbgs() << "  " << NumComp << " components: " << *li << '\n');
     SmallVector<LiveInterval*, 8> dups;
     dups.push_back(li);
-    for (unsigned i = 1; i != NumComp; ++i)
+    for (unsigned j = 1; j != NumComp; ++j)
       dups.push_back(&Edit->create(LIS, VRM));
     ConEQ.Distribute(&dups[0], MRI);
     // The new intervals all map back to i.