[llvm] r237523 - DenseMap: Remove poisoning of unused memory.

[Benjamin Kramer]

Author: d0k
Date: Sat May 16 09:19:54 2015
New Revision: 237523

URL: http://llvm.org/viewvc/llvm-project?rev=237523&view=rev
Log:
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.

Modified:
    llvm/trunk/include/llvm/ADT/DenseMap.h

Modified: llvm/trunk/include/llvm/ADT/DenseMap.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/DenseMap.h?rev=237523&r1=237522&r2=237523&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/DenseMap.h (original)
+++ llvm/trunk/include/llvm/ADT/DenseMap.h Sat May 16 09:19:54 2015
@@ -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>