Eliminating static destructor for the BitCodeErrorCategory by converting to a ManagedStatic.

Summary: This is part of the overall goal of removing static initializers from LLVM.

Reviewers: chandlerc

Reviewed By: chandlerc

Subscribers: chandlerc, llvm-commits

Differential Revision: http://reviews.llvm.org/D5416

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218149 91177308-0d34-0410-b5e6-96231b3b80d8