[lld] [LLD][ELF] Generically report "address assignment did not converge" (PR #128774)

[Daniel Thornburgh via llvm-commits]

mysterymath wrote:

Another option would be to specifically call out spilling, but a pathological linker script symbol assignment could also cause linker failure to occur, so that should be called out too. Looking at `finalizeAddressDependentContent`, I'm not immediately sure what types of user input could cause the various parts of this loop to fail.

https://github.com/llvm/llvm-project/pull/128774