Swift version 4.2-dev (LLVM 0d52728a8a, Clang 1d3cad1e6b, Swift 6c42bcccbd) Target: x86_64-unknown-linux-gnuSwift version 4.2-dev (LLVM 0d52728a8a, Clang 1d3cad1e6b, Swift 6c42bcccbd) Target: x86_64-unknown-linux-gnuswift: /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-16_04/swift/lib/SILGen/SILGenGlobalVariable.cpp:64: bool isGlobalLazilyInitialized(swift::VarDecl *): Assertion `!var->getDeclContext()->isLocalContext() && "not a global variable!"' failed. /usr/bin/swift[0x411c854] /usr/bin/swift[0x411cb96] /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7f64a8588390] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x38)[0x7f64a6cc7428] /lib/x86_64-linux-gnu/libc.so.6(abort+0x16a)[0x7f64a6cc902a] /lib/x86_64-linux-gnu/libc.so.6(+0x2dbd7)[0x7f64a6cbfbd7] /lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7f64a6cbfc82] /usr/bin/swift[0xcb8bb3] /usr/bin/swift[0xc8d123] /usr/bin/swift[0xc8dde3] /usr/bin/swift[0xc9e360] /usr/bin/swift[0xc8cef4] /usr/bin/swift[0xcecb34] /usr/bin/swift[0xcb8091] /usr/bin/swift[0xc4fb59] /usr/bin/swift[0xc4d64f] /usr/bin/swift[0xc4c878] /usr/bin/swift[0xce96b5] /usr/bin/swift[0xce94fe] /usr/bin/swift[0xcb5f5b] /usr/bin/swift[0xc54c84] /usr/bin/swift[0xc4cb25] /usr/bin/swift[0xc525bb] /usr/bin/swift[0xc53266] /usr/bin/swift[0xc5385d] /usr/bin/swift[0x4d820d] /usr/bin/swift[0x4d4b9c] /usr/bin/swift[0x48a26d] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f64a6cb2830] /usr/bin/swift[0x487ac9] Stack dump: 0. Program arguments: /usr/bin/swift -frontend -interpret /usercode/main.swift -disable-objc-interop -module-name main 1. While emitting SIL for 'bar(foo:)' at /usercode/main.swift:1:1 2. While silgen emitFunction SIL function "@$S4main3bar3fooySi_tF". for 'bar(foo:)' at /usercode/main.swift:1:1 3. While silgen emitDefaultArgGenerator SIL function "@$S4main3bar3fooySi_tF5innerL_3argySi_tFfA_". for expression at [/usercode/main.swift:2:27 - line:2:27] RangeText="f" Aborted (core dumped)