Remove some redundant variables from X86TargetLowering::LowerDYNAMIC_STACKALLOC

These are already defined, with the same values, a few lines up. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265845 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed