Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed