This patch adds very basic support for parsing and type-checking class
inheritance in C++. It'll parse the base-specifier list, e.g.,
class D : public B1, virtual public B2 { };
and do some of the simpler semantic checks (B1 and B2 are classes;
they aren't unions or incomplete types, etc).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49623 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/inherit.cpp b/test/Sema/inherit.cpp
new file mode 100644
index 0000000..f1f96f1
--- /dev/null
+++ b/test/Sema/inherit.cpp
@@ -0,0 +1,25 @@
+// RUN: clang -fsyntax-only -verify %s
+class A { };
+
+class B1 : A { };
+
+class B2 : virtual A { };
+
+class B3 : virtual virtual A { }; // expected-error{{duplicate 'virtual' in base specifier}}
+
+class C : public B1, private B2 { };
+
+
+class D;
+
+class E : public D { }; // expected-error{{base class has incomplete type}}
+
+typedef int I;
+
+class F : public I { }; // expected-error{{base specifier must name a class}}
+
+union U1 : public A { }; // expected-error{{unions cannot have base classes}}
+
+union U2 {};
+
+class G : public U2 { }; // expected-error{{unions cannot be base classes}}