Move to llvm 8.0 branch now that llvm trunk has moved to 9.0
-svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm-src
+svn co http://llvm.org/svn/llvm-project/llvm/branches/release_80 llvm-src
cd llvm-src/tools
-svn co http://llvm.org/svn/llvm-project/lld/trunk lld
+svn co http://llvm.org/svn/llvm-project/lld/branches/release_80 lld
cd ../..
mkdir llvm-build
cd llvm-build
