I get a segmentation fault 11 at compile time with the 07/29 toolchain & Xcode 
8 beta 3. Can anyone point me in right direction to fix this?

MergeSwiftModule normal x86_64 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin.swiftmodule
    cd 
/Users/charleslane/Documents/SWDevelopment/SwiftStuff/AppCoda_Starter/FoodPin
    
/Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2016-07-29-a.xctoolchain/usr/bin/swift
 -frontend -emit-module 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AddRestaurantController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantTableViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/SAConfettiView~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/ReviewViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantTableViewCell~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/GlobalHelpers~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantDetailTableViewCell~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantDetailViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AppDelegate~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AddRestaurantExtensions~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/MapViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/Restaurant+CoreDataClass~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/Restaurant+CoreDataProperties~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin+CoreDataModel~partial.swiftmodule
 -parse-as-library -target x86_64-apple-ios10.0 -enable-objc-interop -sdk 
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk
 -I 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator
 -F 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator
 -enable-testing -g -module-cache-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/ModuleCache 
-serialize-debugging-options -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/swift-overrides.hmap
 -Xcc -iquote -Xcc 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-generated-files.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-own-target-headers.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-all-target-headers.hmap
 -Xcc -iquote -Xcc 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-project-headers.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator/include
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/DerivedSources/x86_64
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/DerivedSources
 -Xcc -DDEBUG=1 -Xcc 
-working-directory/Users/charleslane/Documents/SWDevelopment/SwiftStuff/AppCoda_Starter/FoodPin
 -emit-module-doc-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin.swiftdoc
 -module-name FoodPin -emit-objc-header-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin-Swift.h
 -o 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin.swiftmodule

0  swift                    0x0000000112971c7b 
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 43
1  swift                    0x0000000112970ec6 llvm::sys::RunSignalHandlers() + 
70
2  swift                    0x00000001129723cf SignalHandler(int) + 383
3  libsystem_platform.dylib 0x0000000115177d7a _sigtramp + 26
4  libsystem_platform.dylib 0x0000000000000045 _sigtramp + 3941106405
5  swift                    0x0000000110162cd0 (anonymous 
namespace)::ObjCPrinter::print(swift::Type, 
llvm::Optional<swift::OptionalTypeKind>, swift::Identifier) + 208
6  swift                    0x00000001101682f7 (anonymous 
namespace)::ObjCPrinter::printCollectionElement(swift::Type) + 279
7  swift                    0x0000000110167fd6 (anonymous 
namespace)::ObjCPrinter::printObjCBridgeableType(swift::NominalTypeDecl const*, 
swift::ClassDecl const*, llvm::ArrayRef<swift::Type>, 
llvm::Optional<swift::OptionalTypeKind>) + 550
8  swift                    0x000000011016374d swift::TypeVisitor<(anonymous 
namespace)::ObjCPrinter, void, llvm::Optional<swift::OptionalTypeKind> 
>::visit(swift::Type, llvm::Optional<swift::OptionalTypeKind>) + 1725
9  swift                    0x0000000110163a26 swift::TypeVisitor<(anonymous 
namespace)::ObjCPrinter, void, llvm::Optional<swift::OptionalTypeKind> 
>::visit(swift::Type, llvm::Optional<swift::OptionalTypeKind>) + 2454
10 swift                    0x0000000110162cd0 (anonymous 
namespace)::ObjCPrinter::print(swift::Type, 
llvm::Optional<swift::OptionalTypeKind>, swift::Identifier) + 208
11 swift                    0x000000011016e8c6 (anonymous 
namespace)::ObjCPrinter::printAbstractFunctionAsMethod(swift::AbstractFunctionDecl*,
 bool, bool) + 2118
12 swift                    0x000000011016dcd2 (anonymous 
namespace)::ObjCPrinter::printMembers(swift::IteratorRange<swift::DeclIterator>)
 + 338
13 swift                    0x000000011016c640 swift::ASTVisitor<(anonymous 
namespace)::ObjCPrinter, void, void, void, void, void, 
void>::visit(swift::Decl*) + 4768
14 swift                    0x000000011015ec74 
swift::printAsObjC(llvm::raw_ostream&, swift::ModuleDecl*, llvm::StringRef, 
swift::Accessibility) + 1700
15 swift                    0x000000010fccaafe 
printAsObjC(std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> > const&, swift::ModuleDecl*, llvm::StringRef, bool) 
+ 462
16 swift                    0x000000010fcc962a 
performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, 
llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) + 14746
17 swift                    0x000000010fcc49bf 
swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, 
swift::FrontendObserver*) + 2895
18 swift                    0x000000010fc87390 main + 2448
19 libdyld.dylib            0x0000000114e56255 start + 1
20 libdyld.dylib            0x0000000000000040 start + 3944390124
Stack dump:
0.      Program arguments: 
/Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2016-07-29-a.xctoolchain/usr/bin/swift
 -frontend -emit-module 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AddRestaurantController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantTableViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/SAConfettiView~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/ReviewViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantTableViewCell~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/GlobalHelpers~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantDetailTableViewCell~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/RestaurantDetailViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AppDelegate~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/AddRestaurantExtensions~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/MapViewController~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/Restaurant+CoreDataClass~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/Restaurant+CoreDataProperties~partial.swiftmodule
 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin+CoreDataModel~partial.swiftmodule
 -parse-as-library -target x86_64-apple-ios10.0 -enable-objc-interop -sdk 
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk
 -I 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator
 -F 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator
 -enable-testing -g -module-cache-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/ModuleCache 
-serialize-debugging-options -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/swift-overrides.hmap
 -Xcc -iquote -Xcc 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-generated-files.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-own-target-headers.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-all-target-headers.hmap
 -Xcc -iquote -Xcc 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/FoodPin-project-headers.hmap
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Products/Debug-iphonesimulator/include
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/DerivedSources/x86_64
 -Xcc 
-I/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/DerivedSources
 -Xcc -DDEBUG=1 -Xcc 
-working-directory/Users/charleslane/Documents/SWDevelopment/SwiftStuff/AppCoda_Starter/FoodPin
 -emit-module-doc-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin.swiftdoc
 -module-name FoodPin -emit-objc-header-path 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin-Swift.h
 -o 
/Users/charleslane/Library/Developer/Xcode/DerivedData/FoodPin-dxwmvlsjauworxcjhxialmqbjmnw/Build/Intermediates/FoodPin.build/Debug-iphonesimulator/FoodPin.build/Objects-normal/x86_64/FoodPin.swiftmodule
 
1.      While generating Objective-C header
2.      While printing declaration 0x7fd1ac17fda0 at <invalid loc>
3.      While printing type '[String : Any]'
4.      While printing NULL type!



> Is it only me or is anyone else unable to use snapshot 2016-07-29-a?
> 
> In Xcode 8 beta 3, selecting that toolchain, creating a new command line app, 
> and trying to compile it results in:
> ld: library not found for -lswiftDispatch for architecture x86_64
> 
> /Jens
> 
> 
> 
> 
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