AST import for forward declarations of Objective-C protocols

llvm-svn: 96555
diff --git a/clang/test/ASTMerge/Inputs/interface2.m b/clang/test/ASTMerge/Inputs/interface2.m
index 30de981..bef7fb8 100644
--- a/clang/test/ASTMerge/Inputs/interface2.m
+++ b/clang/test/ASTMerge/Inputs/interface2.m
@@ -72,3 +72,9 @@
 @class I12, I10;
 @interface I11
 @end
+
+// Forward-declared protocols
+@protocol P3, P4;
+@protocol P5
+- (double)honk:(int)a;
+@end