| // RUN: rm -rf %t && mkdir -p %t |
| // RUN: %target-swift-frontend -Onone -parse-stdlib -parse-as-library -module-name TestModule -sil-serialize-all %S/Inputs/TestModule.swift -emit-module-path %t/TestModule.swiftmodule |
| // RUN: %target-swift-frontend -O %s -I %t -emit-sil | %FileCheck %s |
| |
| // DeadFunctionElimination may not remove a method from a witness table which |
| // is imported from another module. |
| |
| import TestModule |
| |
| testit(MyStruct()) |
| |
| // CHECK: sil_witness_table public_external [fragile] MyStruct: Proto module TestModule |
| // CHECK-NEXT: method #Proto.confx!1: @_TTWV10TestModule{{.*}}confx |
