r212092 - Enable test/CodeGen/indirect-goto.c in 64b for local arrays

[Rafael Espíndola]

> Other issues aside, this a test for all of LLVM's optimizers, and not for
> clang.  We don't test LLVM's optimizers from Clang.  Please reduce this to
> an LLVM IR test and check it in there.  Even in LLVM, we rarely write full
> -O3 integration tests.

Well, in this case a integration test is probably useful, but yes, it
can probably be a opt -O3 test.

Cheers,
Rafael