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Add freed memory poisoning in !NDEBUG mode for DenseMap.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76597 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2009-07-21 18:01:37 +00:00
parent e4d8408c57
commit d06c59821a
1 changed files with 15 additions and 1 deletions
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16
include/llvm/ADT/DenseMap.h
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@ -17,6 +17,7 @@
#include "llvm/Support/PointerLikeTypeTraits.h"
#include "llvm/Support/MathExtras.h"
#include <cassert>
#include <cstring>
#include <utility>
#include <new>
@ -160,6 +161,9 @@ public:
P->second.~ValueT();
P->first.~KeyT();
}
#ifndef NDEBUG
memset(Buckets, 0x5a, sizeof(BucketT)*NumBuckets);
#endif
operator delete(Buckets);
}
@ -318,8 +322,12 @@ private:
NumEntries = other.NumEntries;
NumTombstones = other.NumTombstones;
if (NumBuckets)
if (NumBuckets) {
#ifndef NDEBUG
memset(Buckets, 0x5a, sizeof(BucketT)*NumBuckets);
#endif
operator delete(Buckets);
}
Buckets = static_cast<BucketT*>(operator new(sizeof(BucketT) *
other.NumBuckets));
@ -465,6 +473,9 @@ private:
B->first.~KeyT();
}
#ifndef NDEBUG
memset(OldBuckets, 0x5a, sizeof(BucketT)*OldNumBuckets);
#endif
// Free the old table.
operator delete(OldBuckets);
}
@ -495,6 +506,9 @@ private:
B->first.~KeyT();
}
#ifndef NDEBUG
memset(OldBuckets, 0x5a, sizeof(BucketT)*OldNumBuckets);
#endif
// Free the old table.
operator delete(OldBuckets);