Fix PR6618.

If a struct has an invalid field, mark it as invalid. Also avoid producing
errors about incomplete types that are invalid.

llvm-svn: 99150

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/PR6618.cpp b/clang/test/SemaCXX/PR6618.cpp
new file mode 100644
index 00000000000..10d4dc87b0a
--- /dev/null
+++ b/clang/test/SemaCXX/PR6618.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+class bar; // expected-note {{forward declaration of 'bar'}}
+struct zed {
+  bar g; // expected-error {{field has incomplete type}}
+};
+class baz {
+  zed h;
+};
+void f() {
+  enum {
+    e = sizeof(baz)
+  };
+}