1 files changed, 51 insertions, 0 deletions
diff --git a/clang/test/PCH/chain-categories.m b/clang/test/PCH/chain-categories.m
new file mode 100644
index 0000000..1b91c73
--- /dev/null
+++ b/clang/test/PCH/chain-categories.m
@@ -0,0 +1,51 @@
+// Without PCH
+// RUN: %clang_cc1 -fsyntax-only -verify -include %s -include %s %s
+
+// With PCH
+// RUN: %clang_cc1 -fsyntax-only -verify %s -chain-include %s -chain-include %s
+
+#ifndef HEADER1
+#define HEADER1
+//===----------------------------------------------------------------------===//
+// Primary header
+
+@interface NSObject
+- (id)init;
+- (void)finalize;
+@end
+
+//===----------------------------------------------------------------------===//
+#elif !defined(HEADER2)
+#define HEADER2
+#if !defined(HEADER1)
+#error Header inclusion order messed up
+#endif
+
+//===----------------------------------------------------------------------===//
+// Dependent header
+
+@interface MyClass : NSObject
++(void)meth;
+@end
+
+@interface NSObject(ObjExt)
+-(void)extMeth;
+@end
+
+//===----------------------------------------------------------------------===//
+#else
+//===----------------------------------------------------------------------===//
+
+@implementation MyClass
++(void)meth {}
+-(void)finalize {
+  [super finalize];
+}
+@end
+
+void test(NSObject *o) {
+  [o extMeth];
+}
+
+//===----------------------------------------------------------------------===//
+#endif