Owen Anderson 108258ac78 Fix another infinite loop in Reassociate caused by Constant::isZero().
Not all zero vectors are ConstantDataVector's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253723 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-20 22:34:48 +00:00
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