commit a9d4a936a847a2e082032084176d5bb524705b6f
author David Blaikie <dblaikie@gmail.com> Wed Oct 24 21:29:06 2012 +0000
committer David Blaikie <dblaikie@gmail.com> Wed Oct 24 21:29:06 2012 +0000
tree 6c1bfa1d7649c7879820ebed82155f9b82d3b0f7
parent 69b07a2c3abc555c361a9242a2404bde9cc0d1bb

Fix false positive in -Wunused-variable when a ctor call make involve cleanups.

llvm-svn: 166625

clang/lib/Sema/SemaDecl.cpp

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 19442b9..e8d017c 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1286,6 +1286,8 @@
           return false;
 
         if (const Expr *Init = VD->getInit()) {
+          if (const ExprWithCleanups *Cleanups = dyn_cast<ExprWithCleanups>(Init))
+            Init = Cleanups->getSubExpr();
           const CXXConstructExpr *Construct =
             dyn_cast<CXXConstructExpr>(Init);
           if (Construct && !Construct->isElidable()) {