[dfsan] Modify build-libc-list.py to filter out local functions in generated
ABI list.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@221361 91177308-0d34-0410-b5e6-96231b3b80d8
[dfsan] Upgrade ABI list to Ubuntu 14.04.

This incorporates some of the newer functions used by (e.g.) the Go runtime.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@221362 91177308-0d34-0410-b5e6-96231b3b80d8
[dfsan] Add libgo functions to ABI list.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@221363 91177308-0d34-0410-b5e6-96231b3b80d8
[dfsan] Add runtime function for aborting on indirect calls to
uninstrumented vararg functions.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@221364 91177308-0d34-0410-b5e6-96231b3b80d8