swift
[5.0-12-12-2018] Cherry pick recent migrator changes
#21715

Merged

Commits

migrator: run try? migration pass only when migrating from swift<5.

nkcsgexi committed 6 years ago
migrator: rename index(of:) to firstIndex(of:) for swift 5.

nkcsgexi committed 6 years ago
migrator: set up placeholder migration scripts for swift 4.2

nkcsgexi committed 6 years ago
migrator: rename a property declaration if the framework property it overrides has been renamed.

nkcsgexi committed 6 years ago