the methods they are interested in to perform out-of-band tasks while the
BytecodeReader is constructing a module. Handlers should *not* modify any
of the LLVM IR objects during this process.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14380 91177308-0d34-0410-b5e6-96231b3b80d8