This takes us to Go 1.4. Also includes a couple of changes to the test
suite, both in the runtime package:
- Disable TestSetPanicOnFault. We cannot support this scenario at all,
due to LLVM's lack of non-call exceptions.
- Tweak TestFinalizerType. This test only passes with two GC runs.
Differential Revision: http://reviews.llvm.org/D8828
llvm-svn: 234134