Update `symbol_mangling` diagnostics migration#101782

Merged

bors merged 1 commit intorust-lang:masterfrom JhonnyBillM:refactor-symbol-mangling-diags-migration

Sep 17, 2022

+35-39

Commits on Sep 13, 2022

UPDATE - merge and avoid translations for symbol mangling test output
JhonnyBillM
committed