[llvm] r188166 - Revert r188164: Stablize MCK_Reg ordering in AsmMatcherEmitter

[Richard Sandiford]

Richard Sandiford <rsandifo at linux.vnet.ibm.com> writes:
> Revert r188164: Stablize MCK_Reg ordering in AsmMatcherEmitter
>
> Apparently caused a failure on Darwin

Any help figuring out why would be appreciated...  It works fine on
x86_64-linux-gnu and s390x-linux-gnu but failed on x86_64-darwin:

   http://lab.llvm.org:8011/builders/clang-x86_64-darwin11-self-mingw32/builds/13066

Differences in the C++ library?

Thanks,
Richard