s/0/nullptr/

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@200272 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Convert a object file to YAML to remove a binary file from SVN.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@200274 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Remove a redundant test.

peplus.test and pe32plus.test basically covered the same thing, so
remove pe32plus.test and then rename peplus.test -> pe32plus.test.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@200275 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Convert more binary files to YAML.

Because the object files are now readable to humans, I don't think we need the
source assembly file any more, so I removed them too in this commit.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@200276 91177308-0d34-0410-b5e6-96231b3b80d8