DenseMap: Remove poisoning of unused memory.

DenseMap has great support for catching invalidated iterators now so we can get
rid of this crude hack. Use after frees are covered by asan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237523 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/DenseMap.h b/include/llvm/ADT/DenseMap.h
index 9c2365af6eb81109d8ce5cfccc8cbd3e7fdb6d18..27f73157a29f38cd39e3fa8c3afab85bec7ff61f 100644 (file)
--- a/include/llvm/ADT/DenseMap.h
+++ b/include/llvm/ADT/DenseMap.h
@@ -272,10 +272,6 @@ protected:
         P->getSecond().~ValueT();
       P->getFirst().~KeyT();
     }
-
-#ifndef NDEBUG
-    memset((void*)getBuckets(), 0x5a, sizeof(BucketT)*getNumBuckets());
-#endif
   }
 
   void initEmpty() {
@@ -312,12 +308,6 @@ protected:
       }
       B->getFirst().~KeyT();
     }
-
-#ifndef NDEBUG
-    if (OldBucketsBegin != OldBucketsEnd)
-      memset((void*)OldBucketsBegin, 0x5a,
-             sizeof(BucketT) * (OldBucketsEnd - OldBucketsBegin));
-#endif
   }
 
   template <typename OtherBaseT>