Swift compiler segfault

gistfile1.txt

harlanhaskins@nietzsche ~> swiftc /Users/harlanhaskins/Documents/Code/Apple/iOS/Personal/sdfadf/sdfadf/main.swift -v
Apple Swift version 1.2 (swiftlang-602.0.47.4 clang-602.0.48)
Target: x86_64-apple-darwin14.3.0
/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/harlanhaskins/Documents/Code/Apple/iOS/Personal/sdfadf/sdfadf/main.swift -target x86_64-apple-darwin14.3.0 -enable-objc-interop -color-diagnostics -module-name main -o /var/folders/dy/xfvh7x4j5y35vx4pfjjjx8440000gn/T/main-35261c.o
<unknown>:0: error: cannot load underlying module for 'CoreGraphics'
<unknown>:0: note: did you forget to set an SDK using -sdk or SDKROOT?
<unknown>:0: note: use "xcrun -sdk macosx swift" to select the default OS X SDK installed with Xcode
0  swift                    0x000000010bb3da08 llvm::sys::PrintStackTrace(__sFILE*) + 40
1  swift                    0x000000010bb3dee4 SignalHandler(int) + 452
2  libsystem_platform.dylib 0x00007fff83dadf1a _sigtramp + 26
3  swift                    0x000000010c1c16b2 mapSignatureFunctionType(swift::ASTContext&, swift::Type, bool, bool, bool, unsigned int) + 1298
4  swift                    0x000000010c0e680a swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*) + 202
5  swift                    0x000000010c0d0d1c validateTypedPattern(swift::TypeChecker&, swift::DeclContext*, swift::TypedPattern*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*) + 76
6  swift                    0x000000010c0d0ae1 swift::TypeChecker::typeCheckPattern(swift::Pattern*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*) + 529
7  swift                    0x000000010c0d0a12 swift::TypeChecker::typeCheckPattern(swift::Pattern*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*) + 322
8  swift                    0x000000010c0cc5e8 checkGenericFuncSignature(swift::TypeChecker&, swift::ArchetypeBuilder*, swift::AbstractFunctionDecl*, swift::GenericTypeResolver&) + 184
9  swift                    0x000000010c0cbc09 swift::TypeChecker::validateGenericFuncSignature(swift::AbstractFunctionDecl*) + 89
10 swift                    0x000000010c0bc484 swift::ASTVisitor<(anonymous namespace)::DeclChecker, void, void, void, void, void, void>::visit(swift::Decl*) + 11636
11 swift                    0x000000010c0b2a0c swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 124
12 swift                    0x000000010c0193e6 swift::synthesizeObservingAccessors(swift::VarDecl*, swift::TypeChecker&) + 2262
13 swift                    0x000000010c0b7eac std::__1::__function::__func<(anonymous namespace)::DeclChecker::visitBoundVars(swift::Pattern*)::'lambda'(swift::VarDecl*), std::__1::allocator<(anonymous namespace)::DeclChecker::visitBoundVars(swift::Pattern*)::'lambda'(swift::VarDecl*)>, void (swift::VarDecl*)>::operator()(swift::VarDecl*&&) + 620
14 swift                    0x000000010c1f33a6 swift::Pattern::forEachVariable(std::__1::function<void (swift::VarDecl*)> const&) const + 230
15 swift                    0x000000010c0b9881 swift::ASTVisitor<(anonymous namespace)::DeclChecker, void, void, void, void, void, void>::visit(swift::Decl*) + 369
16 swift                    0x000000010c0b9e48 swift::ASTVisitor<(anonymous namespace)::DeclChecker, void, void, void, void, void, void>::visit(swift::Decl*) + 1848
17 swift                    0x000000010c0b2a0c swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 124
18 swift                    0x000000010c093be8 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 968
19 swift                    0x000000010b7483fc swift::CompilerInstance::performSema() + 2428
20 swift                    0x000000010b4264f7 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2151
21 swift                    0x000000010b425ae6 main + 1814
22 libdyld.dylib            0x00007fff8d77b5c9 start + 1
<unknown>:0: error: unable to execute command: Segmentation fault: 11
<unknown>:0: error: swift frontend command failed due to signal (use -v to see invocation)