| // RUN: %target-swift-frontend -primary-file %s %S/Inputs/objc_protocol_multi_file_helper.swift -g -emit-ir | %FileCheck %s | |
| // This used to crash <rdar://problem/17929944>. | |
| // To tickle the crash, SubProto must not be used elsewhere in this file. | |
| protocol SubProto : BaseProto {} | |
| // CHECK: @"$s24objc_protocol_multi_file8SubProtoMp" = hidden constant | |
| protocol DoubleSubProto : IntermediateProto {} | |
| // CHECK: @"$s24objc_protocol_multi_file14DoubleSubProtoMp" = hidden constant |