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| author | Daniel Berlin <dberlin@dberlin.org> | 2007-10-04 05:29:36 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@dberlin.org> | 2007-10-04 05:29:36 +0000 |
| commit | 8d69b5a1137debfe11e9073c4edb99d477387072 (patch) | |
| tree | 9521201226cc0840eda3aaa0808d94ef395d7dbc /include/llvm/ADT/SparseBitVector.h | |
| parent | c3a32d190c458fa14c4a6333c942e0aefd56da7e (diff) | |
| download | llvm-8d69b5a1137debfe11e9073c4edb99d477387072.tar.gz llvm-8d69b5a1137debfe11e9073c4edb99d477387072.tar.bz2 llvm-8d69b5a1137debfe11e9073c4edb99d477387072.tar.xz | |
It helps a lot when you check for the end of your list before randomly
dereferencing things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42605 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/SparseBitVector.h')
| -rw-r--r-- | include/llvm/ADT/SparseBitVector.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/ADT/SparseBitVector.h b/include/llvm/ADT/SparseBitVector.h index d1e9125068..b02eb3e480 100644 --- a/include/llvm/ADT/SparseBitVector.h +++ b/include/llvm/ADT/SparseBitVector.h @@ -538,7 +538,8 @@ public: // We may have hit the beginning of our SparseBitVector, in which case, // we may need to insert right after this element, which requires moving // the current iterator forward one, because insert does insert before. - if (ElementIter->index() < ElementIndex) + if (ElementIter != Elements.end() && + ElementIter->index() < ElementIndex) ElementIter = Elements.insert(++ElementIter, Element); else ElementIter = Elements.insert(ElementIter, Element); |