Disable llvm/test/CodeGen/MIR/machine-function.mir on x86 msc18 for now. Investigating.

Disable llvm/test/CodeGen/MIR/machine-function.mir on x86 msc18 for now. Investigating.

The emission was as below;

  ---
  name:            foo
  alignment:       31428584
  exposesReturnsTwice: true
  hasInlineAsm:    false
  ...
  ---
  name:            bar
  alignment:       1701667182
  exposesReturnsTwice: false
  hasInlineAsm:    false
  ...
  ---
  name:            func
  alignment:       8
  exposesReturnsTwice: false
  hasInlineAsm:    false
  ...
  ---
  name:            func2
  alignment:       16
  exposesReturnsTwice: true
  hasInlineAsm:    true
  ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239805 91177308-0d34-0410-b5e6-96231b3b80d8