library into the address space permanently. SearchForAddressOfSymbol looks
in all previously permanently loaded libraries and any currently open
libraries for a symbol, instead of just one library like GetAddressOfSymbol
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18354 91177308-0d34-0410-b5e6-96231b3b80d8