Xcode 8（Swift 3）命令由于信号失败：被杀死：9
升级到Xcode 8并将所有代码转换为Swift 3后，我遇到了编译快捷资源的麻烦。 这需要很长时间，我的电脑变得超级迟缓，大约30分钟后我得到了这个
CompileSwift normal arm64 /Users/choojayson/Dropbox/BottomsUp/Thirst/UserDrank.swift cd / Users / choojayson / Dropbox / BottomsUp /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c /Users/choojayson/Dropbox/BottomsUp/Thirst/PendingVC.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/NotificationCell.swift/Users/choojayson/Dropbox/BottomsUp/Thirst/ProfileCell.swift/Users/hoojayson/Dropbox /BottomsUp/Thirst/NotificationsVC.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/UserPendingAction.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/ChooseDrinkVC.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/AppDelegate.swift /使用者/使用者/使用者/使用者/使用者/使用者/Thirst/UserDrankTime.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/MyProfileVC.swift / Users / chooj ayson / Dropbox / BottomsUp / Thirst / ProfileStatsFooterCell.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/WeeklyDrank.swift /Users/choojayson/Dropbox/BottomsUp/Thirst/DrinkList.swift/ Users 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/DerivedData/Thirst-fbgpdykwgpyxllfixfnpenbijinz/Build/Intermediates/Thirst.build/Debug-iphoneos/Thirst.build/DerivedSources -Xcc -DDEBUG = 1 -Xcc -DCOCOAPODS = 1 -Xcc -working-directory / Users / choojayson / Dropbox / BottomsUp -emit-module-doc-path / Users / choojayson / Library / Developer / Xcode / DerivedData / Thirst-fbgpdykwgpyxllfixfnpenbijinz / Build / Intermediates / T hirst.build/Debug-iphoneos/Thirst.build/Objects-normal/arm64/UserDrank~partial.swiftdoc -Onone -module-name Thirst -emit-module-path / Users / choojayson / Library / Developer / Xcode / DerivedData / Thirst -fbgpdykwgpyxllfixfnpenbijinz / Build / Intermediates / Thirst.build / Debug-iphoneos / Thirst.build / Objects -normal / arm64 / UserDrank〜partial.swiftmodule -serialize-diagnostics-path / Users / choojayson / Library / Developer / Xcode / DerivedData / Thirst -fbgpdykwgpyxllfixfnpenbijinz / Build / Intermediates / Thirst.build / Debug-iphoneos / Thirst.build / Objects-normal / arm64 / UserDrank.dia 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相信与否，这是导致我的问题的一段代码。 有了它，编译需要大约30分钟。 如果我只是简单地注释掉这段代码，它会在不到30秒的时间内完成编译。
let params : [String: Any] = [ "person_id" : kPersonId, "person_promo_id" : promo.personPromoId!, "promo_page_id" : promo.promoPageId!, "seq_no" : promo.seqNo!, "promo_type" : promo.promoType!, "page_name" : promo.pageName!, "image_name" : promo.imageName!, "start_date" : promo.startDate!, "end_date" : promo.endDate!, "website" : promo.website!, "facility_name" : promo.facilityName!, "address" : promo.street!, "city" : promo.city!, "prov_state_cd" : promo.provState!, "country_cd" : promo.country!, "contact_name" : promo.contactName!, "contact_phone" : promo.contactPhone!, "latitude" : promo.latitude!, "longitude" : promo.longitude!, "bgColorRed" : promo.bgColorRed!, "bgColorGreen" : promo.bgColorGreen!, "bgColorBlue" : promo.bgColorBlue!, "promoCategories" : promoCat ] 基于这个和其他的东西，我已经阅读，我会寻找一个情况下，你的值分配到一个大或嵌套的字典与定义中的Any或AnyObject 。 我猜测，这是Any发送编译器closures一个疯狂的追逐。
如果你检查你的日志失败的地方，它应该在失败的对象上有错误。 这应该给你一个线索，看看什么文件。
编辑：@周杰伦，这是我解决了上面的代码与编译器问题：
var params : [String : Any] = [:] params["person_id"] = kPersonId params["person_promo_id"] = promo.personPromoId params["promo_page_id"] = promo.promoPageId params["seq_no"] = promo.seqNo params["promo_type"] = promo.promoType params["page_name"] = promo.pageName params["image_name"] = promo.imageName params["start_date"] = promo.startDate params["end_date"] = promo.endDate params["website"] = promo.website params["facility_name"] = promo.facilityName params["address"] = promo.street params["city"] = promo.city params["prov_state_cd"] = promo.provState params["country_cd"] = promo.country params["contact_name"] = promo.contactName params["contact_phone"] = promo.contactPhone params["latitude"] = promo.latitude params["longitude"] = promo.longitude params["bgColorRed"] = promo.bgColorRed params["bgColorGreen"] = promo.bgColorGreen params["bgColorBlue"] = promo.bgColorBlue params["promoCategories"] = promoCat
在我的情况下，当我发现这个问题的大块代码是：
return realm2.objects(Alert.self).sorted(by: { (alert1, alert2) -> Bool in return alert1.hour < alert2.hour && alert1.minute < alert2.minute && alert1.label < alert2.label })
我的情况下，必须添加太多的编程创build的约束到视图控制器的视图。 我在类级定义了多个约束数组，如下所示：
lazy var labelConstraints: [NSLayoutConstraint] = [...]
我在我的视图中为所有的UI元素使用这个符号。 当我完成构build视图的时候，我大概有10个3-5的NSLayoutConstraints数组。
然后，我将一个连接的数组附加到视图的约束数组，如下所示：
self.view.addConstraints(labelConstraints + buttonConstraints + viewConstraints, ...)
这条线原来是问题所在。 它必须是延迟初始化和内联数组concat。 无论原因如何，我已经使用flatMap来解决这个问题。
let constraints = [labelConstraints, buttonConstraints, viewConstraints].flatMap{ $0 } self.view.addConstraints(constraints)
就我而言，我正在写一个实现了Equatable的类，也有通用的成员。 我的问题是植根于通用成员与==比较，当generics类没有实现一个==运算符。
例如（使用来自RxSwift Variable ）：
class Foo: Equatable { var fieldOne: Variable<String> = Variable("fieldOne") var fieldTwo: Variable<String?> = Variable(nil) public static func ==(lhs: Foo, rhs: Foo) -> Bool { //should be marked as a compiler error, since Variable doesn't have == return lhs.fieldOne == rhs.fieldOne && lhs.fieldTwo == rhs.fieldTwo } }
我应该看到一个编译器错误，因为没有定义==存在Variable ，但编译器会崩溃（以及静态分析），才能够显示它。 在崩溃之前，我看到了60GB的内存使用情况。 让人惊讶。
在仿制药方面，似乎仍然存在一些挥之不去的错误。
对我来说，Xcode 9，Swift 4，编译器不能忍受8个数字的加法：
let aBitPattern: UInt64 = ((UInt64(a) & UInt64(0xff)) << 0) + ((UInt64(b) & UInt64(0xff)) << 8) + ((UInt64(c) & UInt64(0xff)) << 16) + ((UInt64(d) & UInt64(0xff)) << 24) + ((UInt64(e) & UInt64(0xff)) << 32) + ((UInt64(f) & UInt64(0xff)) << 40) + ((UInt64(g) & UInt64(0xff)) << 48) + ((UInt64(h) & UInt64(0xff)) << 56)
转变到这个解决了无限的汇编：
var aBitPattern: UInt64 = ((UInt64(a) & UInt64(0xff)) << 0); aBitPattern += ((UInt64(b) & UInt64(0xff)) << 8); aBitPattern += ((UInt64(c) & UInt64(0xff)) << 16); aBitPattern += ((UInt64(d) & UInt64(0xff)) << 24); aBitPattern += ((UInt64(e) & UInt64(0xff)) << 32); aBitPattern += ((UInt64(f) & UInt64(0xff)) << 40); aBitPattern += ((UInt64(g) & UInt64(0xff)) << 48); aBitPattern += ((UInt64(h) & UInt64(0xff)) << 56);
是的，有时候分号也会帮助编译器理解你的代码。
我总是期待新的Swift编译器，它总是令苹果非常失望。