add/update LICENSE.TXT files for the third_party code used by asan

llvm-svn: 145659
GitOrigin-RevId: 70e163b5074869e6c46ddfc22340d694ff0b33c0
diff --git a/LICENSE.TXT b/LICENSE.TXT
index 2552e8c..488baf5 100644
--- a/LICENSE.TXT
+++ b/LICENSE.TXT
@@ -74,3 +74,25 @@
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
+
+==============================================================================
+Copyrights and Licenses for Third Party Software Distributed with LLVM:
+==============================================================================
+The LLVM software contains code written by third parties.  Such software will
+have its own individual LICENSE.TXT file in the directory in which it appears.
+This file will describe the copyrights, license, and restrictions which apply
+to that code.
+
+The disclaimer of warranty in the University of Illinois Open Source License
+applies to all code in the LLVM Distribution, and nothing in any of the
+other licenses gives permission to use the names of the LLVM Team or the
+University of Illinois to endorse or promote products derived from this
+Software.
+
+The following pieces of software have additional or alternate copyrights,
+licenses, and/or restrictions:
+
+Program             Directory
+-------             ---------
+sysinfo             lib/asan/sysinfo
+mach_override       lib/asan/mach_override