Migrate some `rustc_borrowck` diagnostics to `SessionDiagnostic`#98415

Merged

bors merged 1 commit intorust-lang:masterfrom compiler-errors:rustc-borrowck-session-diagnostic-1

Jun 29, 2022

Commits on Jun 28, 2022

Migrate some rustc_borrowck diagnostics to SessionDiagnostic
compiler-errors
committed