From 5fd60913da4e348b8d75ae3e7fced4a26ae4bb2f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 1 Jul 2003 21:08:52 +0000
Subject: [PATCH] Fix bug: Regression/Other/2002-03-11-ExprAssertion.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7046 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/Expressions.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/Expressions.cpp b/lib/Analysis/Expressions.cpp
index b9a1b01dbc9..9b305bbe409 100644
--- a/lib/Analysis/Expressions.cpp
+++ b/lib/Analysis/Expressions.cpp
@@ -317,7 +317,9 @@ ExprType ClassifyExpression(Value *Expr) {
     if (isa<PointerType>(DestTy))
       DestTy = Type::ULongTy;  // Pointer types are represented as ulong
 
-    if (!Src.getExprType(0)->isLosslesslyConvertibleTo(DestTy)) {
+    const Type *SrcValTy = Src.getExprType(0);
+    if (!SrcValTy) return I;
+    if (!SrcValTy->isLosslesslyConvertibleTo(DestTy)) {
       if (Src.ExprTy != ExprType::Constant)
         return I;  // Converting cast, and not a constant value...
     }