Auto merge of #116520 - Enselic:large-copy-into-fn, r=oli-obk

large_assignments: Lint on specific large args passed to functions

Requires lowering function call arg spans down to MIR, which is done in the second commit.

Part of #83518

Also see
* https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/arg.20Spans.20for.20TerminatorKind.3A.3ACall.3F
* https://rust-lang.zulipchat.com/#narrow/stream/122651-general/topic/move_size_limit.20lint

r? `@oli-obk` (E-mentor)

Author: bors