fix pasto that broke bootstrap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93105 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp
index fdc3eae..01c4f8c 100644
--- a/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -623,7 +623,7 @@
     PHINode *PN = cast<PHINode>(I);
     if (!CanEvaluateZExtd(PN->getIncomingValue(0), Ty, TD)) return false;
     for (unsigned i = 1, e = PN->getNumIncomingValues(); i != e; ++i)
-      if (!CanEvaluateZExtd(PN->getIncomingValue(0), Ty, TD)) return false;
+      if (!CanEvaluateZExtd(PN->getIncomingValue(i), Ty, TD)) return false;
     return true;
   }
   default: