Fix Regression/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll on X86.
Just because an alias of a register is available, it doesn't mean that we
can arbitrarily evict the register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30064 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed