Implementation of AST for @protocol expression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/protocol-expr-neg-1.m b/test/Sema/protocol-expr-neg-1.m
new file mode 100644
index 0000000..d59d83f
--- /dev/null
+++ b/test/Sema/protocol-expr-neg-1.m
@@ -0,0 +1,19 @@
+// RUN: clang -fsyntax-only -verify %s
+
+typedef struct Protocol Protocol;
+
+@protocol fproto;
+
+@protocol p1
+@end
+
+@class cl;
+
+int main()
+{
+ Protocol *proto = @protocol(p1);
+ Protocol *fproto = @protocol(fproto);
+ Protocol *pp = @protocol(i); // expected-error {{cannot find protocol declaration for 'i'}}
+ Protocol *p1p = @protocol(cl); // expected-error {{cannot find protocol declaration for 'cl'}}
+}
+