fix crash
authorAlexei Starovoitov <alexei.starovoitov@gmail.com>
Wed, 10 Jun 2015 03:06:06 +0000 (03:06 +0000)
committerAlexei Starovoitov <alexei.starovoitov@gmail.com>
Wed, 10 Jun 2015 03:06:06 +0000 (03:06 +0000)
commite11157c6689d4b155f6ba1fc23cd16f8bbfd0d4a
tree427be5963cb2c2f5a066ac3839b45a10ae4339b1
parentf095095d4a756e93c46424623b60e32412ab8517
fix crash

fix segfault by checking for UnknownArch, since
getArchTypePrefix() will return nullptr for UnknownArch.

This fixes regression caused by r238424.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239456 91177308-0d34-0410-b5e6-96231b3b80d8
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp