[PATCH] llvm-symbolizer: teach it about PowerPC64 ELF function descriptors

[Jay Foad]

>>! In D6110#4, @samsonov wrote:
> Consider the following approach: if Module->getArch() is Triple::ppc64 (should we also treat Triple::ppc64le?)

There's no need to do this for ppc64le, because it uses the "ELFv2" ABI which doesn't have function descriptors.

http://reviews.llvm.org/D6110