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// RUN: %clang_cc1 -triple x86_64-unknown-freebsd -S -emit-llvm -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s
// Regression test. We weren't emitting definitions for protocols used in
// categories, causing linker errors when the category was the only reference
// to a protocol in a binary.
// CHECK: @._OBJC_PROTOCOL_Y = global
// CHECK-SAME: section "__objc_protocols", comdat, align 8
@interface X
{
id isa;
}
@end
@implementation X
@end
@protocol Y @end
@interface X (y) <Y>
@end
@implementation X (y) @end
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