From 4834ad2609515295a5e4132711b1f8f263500892 Mon Sep 17 00:00:00 2001
From: Richard Trieu <rtrieu@google.com>
Date: Tue, 12 Aug 2014 21:05:04 +0000
Subject: Improve -Wuninitialized to catch const classes being used in their
 own copy constructors.

llvm-svn: 215471
---
 clang/lib/Sema/SemaDecl.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

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

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 53a647149a8..9c0be3e76fb 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -8276,6 +8276,15 @@ namespace {
 
     void VisitObjCMessageExpr(ObjCMessageExpr *E) { return; }
 
+    void VisitCXXConstructExpr(CXXConstructExpr *E) {
+      if (E->getConstructor()->isCopyConstructor()) {
+        if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E->getArg(0))) {
+          HandleDeclRefExpr(DRE);
+        }
+      }
+      Inherited::VisitCXXConstructExpr(E);
+    }
+
     void HandleDeclRefExpr(DeclRefExpr *DRE) {
       Decl* ReferenceDecl = DRE->getDecl();
       if (OrigDecl != ReferenceDecl) return;
-- 
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