From 7a6182d48d63df5f2c8fbb112e0dc9c03c7e878a Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Sat, 24 Aug 2019 01:23:57 +0000
Subject: PR40674: fix assertion failure if a structured binding declaration
 has a tuple-like decomposition that produces value-dependent reference
 bindings.

llvm-svn: 369829
---
 clang/lib/Sema/SemaDeclCXX.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 0f260ab6e91..633a1667b2d 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -1225,7 +1225,8 @@ static bool checkTupleLikeDecomposition(Sema &S,
     if (E.isInvalid())
       return true;
     RefVD->setInit(E.get());
-    RefVD->checkInitIsICE();
+    if (!E.get()->isValueDependent())
+      RefVD->checkInitIsICE();
 
     E = S.BuildDeclarationNameExpr(CXXScopeSpec(),
                                    DeclarationNameInfo(B->getDeclName(), Loc),
-- 
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