Don't allow catch declarations to name an abstract class

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70248 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index bc87c6775a..87a518b558 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -2577,6 +2577,11 @@ Sema::DeclPtrTy Sema::ActOnExceptionDeclarator(Scope *S, Declarator &D) {
       RequireCompleteType(Begin, BaseType, DK))
     Invalid = true;
 
+  if (!Invalid && RequireNonAbstractType(Begin, ExDeclType,
+                                         diag::err_abstract_type_in_decl,
+                                         AbstractVariableType))
+    Invalid = true;
+
   // FIXME: Need to test for ability to copy-construct and destroy the
   // exception variable.
   // FIXME: Need to check for abstract classes.