Revert r183069: "TMP: LEA64_32r fixing"

Very sorry, it was committed from the wrong branch by mistake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183070 91177308-0d34-0410-b5e6-96231b3b80d8
Disable new legacy JIT test on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183071 91177308-0d34-0410-b5e6-96231b3b80d8