From 1f27805fe4f5463fd5b4d5396affe1ef23320688 Mon Sep 17 00:00:00 2001
From: Sebastian Redl <sebastian.redl@getdesigned.at>
Date: Fri, 17 Feb 2012 08:42:32 +0000
Subject: [PATCH] Don't allow non-empty ParenListExprs as array-new
 initializers.

Don't know what I was thinking there. Fixes PR12023.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150804 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Sema/SemaExprCXX.cpp    |  7 ++-----
 test/SemaCXX/new-delete.cpp | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 1f50984996..ca8411918a 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -981,11 +981,8 @@ static bool isLegalArrayNewInitializer(CXXNewExpr::InitializationStyle Style,
                                        Expr *Init) {
   if (!Init)
     return true;
-  if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init)) {
-    if (PLE->getNumExprs() != 1)
-      return PLE->getNumExprs() == 0;
-    Init = PLE->getExpr(0);
-  }
+  if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init))
+    return PLE->getNumExprs() == 0;
   if (isa<ImplicitValueInitExpr>(Init))
     return true;
   else if (CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init))
diff --git a/test/SemaCXX/new-delete.cpp b/test/SemaCXX/new-delete.cpp
index dfe880e34b..d355c7cc51 100644
--- a/test/SemaCXX/new-delete.cpp
+++ b/test/SemaCXX/new-delete.cpp
@@ -446,3 +446,17 @@ namespace r150682 {
   }
 
 }
+
+namespace P12023 {
+  struct CopyCounter
+  {
+      CopyCounter();
+      CopyCounter(const CopyCounter&);
+  };
+
+  int main()
+  {
+    CopyCounter* f = new CopyCounter[10](CopyCounter()); // expected-error {{cannot have initialization arguments}}
+      return 0;
+  }
+}
-- 
2.40.0