From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 25 Mar 2014 21:11:32 +0000 (+0000)
Subject: PR19249: Don't forget to DiagnoseUseOfDecl for the implicit use of a variable
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0733650b60a57b9fab2e1d8b3f26613fd4f46c53;p=clang

PR19249: Don't forget to DiagnoseUseOfDecl for the implicit use of a variable
in a lambda capture.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204757 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaLambda.cpp b/lib/Sema/SemaLambda.cpp
index cd62ba4b92..0d287f7210 100644
--- a/lib/Sema/SemaLambda.cpp
+++ b/lib/Sema/SemaLambda.cpp
@@ -1062,6 +1062,8 @@ void Sema::ActOnStartOfLambdaDefinition(LambdaIntroducer &Intro,
       }
 
       Var = R.getAsSingle<VarDecl>();
+      if (Var && DiagnoseUseOfDecl(Var, C->Loc))
+        continue;
     }
 
     // C++11 [expr.prim.lambda]p8:
diff --git a/test/SemaCXX/lambda-expressions.cpp b/test/SemaCXX/lambda-expressions.cpp
index 8bacc0aa64..9a53e4604f 100644
--- a/test/SemaCXX/lambda-expressions.cpp
+++ b/test/SemaCXX/lambda-expressions.cpp
@@ -359,3 +359,7 @@ namespace PR18473 {
   };
   template void f<NoCopy>(); // expected-note {{instantiation}}
 }
+
+void PR19249() {
+  auto x = [&x]{}; // expected-error {{cannot appear in its own init}}
+}