llvm-project/clang/test/Rewriter/rewrite-implementation.mm

// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc -fobjc-runtime=macosx-fragile-10.5 %s -o %t-rw.cpp
// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
// radar 7649577

@interface a
@end

@interface b : a
@end

@implementation b
@end

@interface NSArray @end
@class NSArray;
@implementation NSArray @end