[5.3][CodeCompletion] Give up fast-completion if dependent files are modified#31547

rintaro merged 4 commits intoswiftlang:release/5.3swiftlang/swift:release/5.3from

rintaro:5.3-ide-completion-fastcheckdep-rdar62336432rintaro/swift:5.3-ide-completion-fastcheckdep-rdar62336432Copy head branch name to clipboard