tree f0d669731d1300ac12e3fef3ed8412823198183f
parent 4bf00c10d5c1bed80b0e1489cb2e85932d17acb6
author Chris Lattner <sabre@nondot.org> 1054532559 +0000
committer Chris Lattner <sabre@nondot.org> 1054532559 +0000

Be more robust in the face of undefined behavior.
Fixes bug: BasicAA/2003-06-01-AliasCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6538 91177308-0d34-0410-b5e6-96231b3b80d8