Do not create empty basic blocks when the lowerswitch pass expects blocks to
be non-empty!  This fixes LowerSwitch/2004-03-13-SwitchIsDefaultCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12384 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed