Tim Northover 69bd9577fc TableGen: avoid dereferencing nullptr variable
ARM64 ended up reaching odder parts of TableGen alias generation than
current backends and caused a segfault.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205089 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 09:03:22 +00:00
..
2014-03-03 13:59:41 +00:00
2014-01-24 17:20:08 +00:00
2014-02-09 07:55:19 +00:00