From 76d0b46dd1af454de6fb3902a249ff19e61d568a Mon Sep 17 00:00:00 2001
From: Matt Beaumont-Gay <matthewbg@google.com>
Date: Fri, 21 Jun 2013 18:58:32 +0000
Subject: Propagate the invalid bit from bases to derived template classes.

Fixes PR16292.

llvm-svn: 184581
---
 clang/lib/Sema/SemaTemplateInstantiate.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'clang/lib/Sema/SemaTemplateInstantiate.cpp')

diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index 5e3ced47f44..9babafedc95 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1754,6 +1754,10 @@ Sema::SubstBaseSpecifiers(CXXRecordDecl *Instantiation,
          Base = Pattern->bases_begin(), BaseEnd = Pattern->bases_end();
        Base != BaseEnd; ++Base) {
     if (!Base->getType()->isDependentType()) {
+      if (const CXXRecordDecl *RD = Base->getType()->getAsCXXRecordDecl()) {
+        if (RD->isInvalidDecl())
+          Instantiation->setInvalidDecl();
+      }
       InstantiatedBases.push_back(new (Context) CXXBaseSpecifier(*Base));
       continue;
     }
-- 
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