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/build-user/swift/lib/SILGen/SILGenConvert.cpp:992! Stack dump: 0. Program arguments: /usr/bin/swift-frontend -frontend -interpret - -disable-objc-interop -new-driver-path /usr/bin/swift-driver -empty-abi-descriptor -resource-dir /usr/lib/swift -module-name main 1. Swift version 5.7-dev (LLVM aac709978dda363, Swift 8c308d0ff137dde) 2. Compiling with the current language version 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[0x62f7253] /usr/bin/swift-frontend[0x62f4dfe] /usr/bin/swift-frontend[0x62f75e6] /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f89645e5980] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f8962858e87] /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f896285a7f1] /usr/bin/swift-frontend[0x622c8f6] /usr/bin/swift-frontend[0xc7ac93] /usr/bin/swift-frontend[0xca27db] /usr/bin/swift-frontend[0xcb2a17] /usr/bin/swift-frontend[0xca6321] /usr/bin/swift-frontend[0xc98839] /usr/bin/swift-frontend[0xd55d00] /usr/bin/swift-frontend[0xd3a9d6] /usr/bin/swift-frontend[0xd3a6ed] /usr/bin/swift-frontend[0xca3d14] /usr/bin/swift-frontend[0xc98839] /usr/bin/swift-frontend[0xd55d00] /usr/bin/swift-frontend[0xd3a9d6] /usr/bin/swift-frontend[0xd3a6ed] /usr/bin/swift-frontend[0xca3d14] /usr/bin/swift-frontend[0xc98c7e] /usr/bin/swift-frontend[0xd08eb3] /usr/bin/swift-frontend[0xd0872d] /usr/bin/swift-frontend[0xcbc3ac] /usr/bin/swift-frontend[0xc4e952] /usr/bin/swift-frontend[0xc50cc0] /usr/bin/swift-frontend[0xc4ca87] /usr/bin/swift-frontend[0xc53a24] /usr/bin/swift-frontend[0xd08142] /usr/bin/swift-frontend[0xc57de6] /usr/bin/swift-frontend[0xc54f54] /usr/bin/swift-frontend[0x5c7b4e] /usr/bin/sw