Do not use "auto" where actual type is obvious and short.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199166 91177308-0d34-0410-b5e6-96231b3b80d8
Add a function to verify an ExportDesc.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199167 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Support STACKSIZE module-definition file directive.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199170 91177308-0d34-0410-b5e6-96231b3b80d8