From d7aae33a9513d29400157867cdc1f11c2e4a0c40 Mon Sep 17 00:00:00 2001
From: Saar Raz <saar@raz.email>
Date: Wed, 10 Jul 2019 21:25:49 +0000
Subject: [Concepts] Concept definitions (D40381)

First in a series of patches to land C++2a Concepts support.
This patch adds AST and parsing support for concept-declarations.

llvm-svn: 365699
---
 clang/lib/Sema/SemaDeclCXX.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 4f24f88be18..b23352bffbf 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -9802,7 +9802,7 @@ UsingShadowDecl *Sema::BuildUsingShadowDecl(Scope *S,
     NonTemplateTarget = TargetTD->getTemplatedDecl();
 
   UsingShadowDecl *Shadow;
-  if (isa<CXXConstructorDecl>(NonTemplateTarget)) {
+  if (NonTemplateTarget && isa<CXXConstructorDecl>(NonTemplateTarget)) {
     bool IsVirtualBase =
         isVirtualDirectBase(cast<CXXRecordDecl>(CurContext),
                             UD->getQualifier()->getAsRecordDecl());
-- 
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