don't add nodes to the now-dead nodes list multiple times, this
can cause a crash on crazy situations in msp430 when morph-node-to
is disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99739 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed