[Modules][ObjC] ASTReader should add protocols for class extensions
During deserialization clang is currently missing the merging of
protocols into the canonical interface for the class extension.
This merging only currently happens during parsing and should also
be considered during deserialization.
rdar://problem/38724303
llvm-svn: 331063
diff --git a/clang/test/Modules/Inputs/class-extension/a-private.h b/clang/test/Modules/Inputs/class-extension/a-private.h
new file mode 100644
index 0000000..e35402a
--- /dev/null
+++ b/clang/test/Modules/Inputs/class-extension/a-private.h
@@ -0,0 +1,5 @@
+#import "a.h"
+#import "a-proto.h"
+
+@interface A () <AProto>
+@end