From 9eacf8aac8fa19ec5f3e849747af860b023e4dc4 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 7 Oct 2003 22:19:19 +0000
Subject: [PATCH] Add a sanity check for constant expression casts

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8951 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Constants.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 3e481fd0481..4e1d905fecb 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -897,6 +897,8 @@ struct ConvertConstantType<ConstantExpr, Type> {
 static ValueMap<ExprMapKeyType, Type, ConstantExpr> ExprConstants;
 
 Constant *ConstantExpr::getCast(Constant *C, const Type *Ty) {
+  assert(Ty->isFirstClassType() && "Cannot cast to an aggregate type!");
+
   if (Constant *FC = ConstantFoldCastInstruction(C, Ty))
     return FC;          // Fold a few common cases...
 
-- 
2.34.1