Clear the new cache.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145771 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LazyValueInfo.cpp b/lib/Analysis/LazyValueInfo.cpp
index 02d9180..d27d911 100644
--- a/lib/Analysis/LazyValueInfo.cpp
+++ b/lib/Analysis/LazyValueInfo.cpp
@@ -446,6 +446,7 @@
     
     /// clear - Empty the cache.
     void clear() {
+      SeenBlocks.clear();
       ValueCache.clear();
       OverDefinedCache.clear();
     }