| commit | 90d7fa12d0814bca69f95d2c4829391a6cb3935b | [log] [tgz] |
|---|---|---|
| author | Ted Kremenek <kremenek@apple.com> | Fri Mar 15 23:09:37 2013 +0000 |
| committer | Ted Kremenek <kremenek@apple.com> | Fri Mar 15 23:09:37 2013 +0000 |
| tree | 9a32c3bc60a887dcfda73b1f879c148825ef221d | |
| parent | e7b849e4fb7e13a5be299b701d53896168345b15 [diff] |
Fix buffer underrun (invalid read) triggered during diagnostic rendering. The test would overflow when computing '0 - 1'. I don't have a good testcase for this that does not depend on system headers. It did not trigger with preprocessed output, and I had trouble reducing the example. Fixes <rdar://problem/13324594>. Thanks to Michael Greiner for reporting this issue. llvm-svn: 177201