[PATCH] [Sanitizer] Get the Linux ptrace test working on PowerPC64

[Jay Foad]

>>! In D6108#7, @kcc wrote:
> - please don't rename the file to .c, instead cast integer to the enum type and file a bug against the linux headers and/or clang -- this warning must not be there. 

I've filed a bug against the linux headers: https://bugzilla.kernel.org/show_bug.cgi?id=87861

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D6108