| // REQUIRES: plus_one_runtime |
| // RUN: %target-swift-frontend -O -emit-ir -primary-file %s | %FileCheck %s |
| // This is a swift file because the crash doesn't reproduce with SIL. |
| @inline(never) |
| func callFoo<T: X>(_ x: T) { |
| x.foo() |
| } |
| public func a(y: Sub) { |
| callFoo(y) |
| // specialization of callFoo for Sub: |
| // CHECK-LABEL: define linkonce_odr hidden swiftcc void @"$S33devirt_witness_method_conformance7callFooyyxAA1XRzlFAA3SubC_Tg5Tf4d_n"() local_unnamed_addr |
| } |
| protocol X { |
| func foo() |
| } |
| extension X { |
| func foo() {} |
| } |
| public class Base: X {} |
| public class Sub: Base {} |
