We need to search referenced section based on relocations symbol section
to properly match end section symbols. For example on some binaries we
can observe that init_array_end/fini_array_end might be "placed" in to
the gap and since no section could be found for address the relocation
would be skipped resulting in wrong ADRP imm after emitting new text
resulting in binary sigsegv.
Credits for the test to Vladislav Khmelevskii aka yota9.
Probably worth asking on discourse if there are any legal implications of checking in a GNU linkerscript into LLVM's codebase, since GNU works with a different license