Fix old testcase for dead store to match the original intent.

The x86 backend has a special case for load+xor+store, which isn't really
what this is trying to test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296077 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed