From 8e98ac162ace2d8bd571d594c66665b7f5e51814 Mon Sep 17 00:00:00 2001
From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Thu, 13 May 2010 08:26:32 +0000
Subject: [PATCH] Relax an assertion. Various cases could lead to non-symbol
 values.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103707 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Checker/MallocChecker.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Checker/MallocChecker.cpp b/lib/Checker/MallocChecker.cpp
index a22df30469..086dbd8fdd 100644
--- a/lib/Checker/MallocChecker.cpp
+++ b/lib/Checker/MallocChecker.cpp
@@ -182,7 +182,10 @@ const GRState *MallocChecker::FreeMemAux(CheckerContext &C, const CallExpr *CE,
     return state;
 
   SymbolRef Sym = ArgVal.getAsLocSymbol();
-  assert(Sym);
+
+  // Various cases could lead to non-symbol values here.
+  if (!Sym)
+    return state;
 
   const RefState *RS = state->get<RegionState>(Sym);