[Sema] Return an appropriate result from CheckSpecifiedExceptionType

We shouldn't return true from CheckSpecifiedExceptionType if
the record type is incomplete and -fms-extensions is engaged.  Otherwise
we will have an incomplete AST.

llvm-svn: 272447

1 files changed, 4 insertions, 3 deletions

diff --git a/clang/test/SemaCXX/ms-exception-spec.cpp b/clang/test/SemaCXX/ms-exception-spec.cpp
index 81e04dd54df..07633791b9f 100644
--- a/clang/test/SemaCXX/ms-exception-spec.cpp
+++ b/clang/test/SemaCXX/ms-exception-spec.cpp
@@ -1,8 +1,9 @@
-// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions
+// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -fexceptions -fcxx-exceptions
 
 void f() throw(...) { }
 
 namespace PR28080 {
-struct S; // expected-note {{forward declaration}}
-void fn() throw(S); // expected-warning {{incomplete type}}
+struct S;           // expected-note {{forward declaration}}
+void fn() throw(S); // expected-warning {{incomplete type}} expected-note{{previous declaration}}
+void fn() throw();  // expected-warning {{does not match previous declaration}}
 }