Iceman

@swift-5.5.3 @swift-main

class Foo { func bar(v: Int) { print("bar: \(v)") } } protocol FooProtocol: Foo {} extension Foo: FooProtocol {} func f() { let foo = Foo() FooProtocol.bar(foo)(v: 1) }

(edited)

exit status: 134 with stderr:

not existential UNREACHABLE executed at /home/buildnode/jenkins/workspace/oss-swift-5.5-package-linux-ubuntu-18_04/swift/lib/SILGen/SILGenConvert.cpp:984! Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the project and the crash backtrace. Stack dump: 0. Program arguments: /usr/bin/swift-frontend -frontend -interpret - -disable-objc-interop -new-driver-path /usr/bin/swift-driver -resource-dir /usr/lib/swift -module-name main 1. Swift version 5.5.3 (swift-5.5.3-RELEASE) 2. 3. While evaluating request ASTLoweringRequest(Lowering AST to SIL for module main) 4. While silgen emitFunction SIL function "@$s4main1fyyF". for 'f()' (at <stdin>:8:1) Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it): /usr/bin/swift-frontend[0x5c5feb3] /usr/bin/swift-frontend[0x5c5dc0e] /usr/bin/swift-frontend[0x5c6023c] /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f05c44b9980] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f05c2d5be87] /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f05c2d5d7f1] /usr/bin/swift-frontend[0x5ba1536] /usr/bin/swift-frontend[0xce721e] /usr/bin/swift-frontend[0xd0793b] /usr/bin/swift-frontend[0xd17277] /usr/bin/swift-frontend[0xd0a9d0] /usr/bin/swift-frontend[0xcfe2c9] /usr/bin/swift-frontend[0xdbba62] /usr/bin/swift-frontend[0xd9fda9] /usr/bin/swift-frontend[0xd08e14] /usr/bin/swift-frontend[0xcfe2c9] /usr/bin/swift-frontend[0xdbba62] /usr/bin/swift-frontend[0xd9fda9] /usr/bin/swift-frontend[0xd08e14] /usr/bin/swift-frontend[0xcfe749] /usr/bin/swift-frontend[0xd71be4] /usr/bin/swift-frontend[0xd71a0d] /usr/bin/swift-frontend[0xd20fe5] /usr/bin/swift-frontend[0xcbd30e] /usr/bin/swift-frontend[0xcbf594] /usr/bin/swift-frontend[0xcbb842] /usr/bin/swift-frontend[0xcc20d1] /usr/bin/swift-frontend[0xd71452] /usr/bin/swift-frontend[0xcc62b1] /usr/bin/swift-frontend[0xcc3234] /usr/bin/swift-fronte