From b3d5a323a5ca92ea73443499cee2f15db1ff0fb3 Mon Sep 17 00:00:00 2001
From: Roman Divacky <rdivacky@FreeBSD.org>
Date: Wed, 18 Nov 2009 14:59:57 +0000
Subject: Update clang to r89205.

---
 lib/Analysis/NSErrorChecker.cpp | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

(limited to 'lib/Analysis/NSErrorChecker.cpp')

diff --git a/lib/Analysis/NSErrorChecker.cpp b/lib/Analysis/NSErrorChecker.cpp
index 307686ff57b3..93b617b115d9 100644
--- a/lib/Analysis/NSErrorChecker.cpp
+++ b/lib/Analysis/NSErrorChecker.cpp
@@ -209,15 +209,12 @@ void NSErrorChecker::CheckParamDeref(const VarDecl *Param,
     return;
 
   // Iterate over the implicit-null dereferences.
-  NullDerefChecker *Checker = Eng.getChecker<NullDerefChecker>();
-  assert(Checker && "NullDerefChecker not exist.");
-  for (NullDerefChecker::iterator I = Checker->implicit_nodes_begin(),
-         E = Checker->implicit_nodes_end(); I != E; ++I) {
-
+  ExplodedNode *const* I,  *const* E;
+  llvm::tie(I, E) = GetImplicitNullDereferences(Eng);
+  for ( ; I != E; ++I) {
     const GRState *state = (*I)->getState();
-    const SVal* X = state->get<GRState::NullDerefTag>();
-
-    if (!X || X->getAsSymbol() != ParamSym)
+    SVal location = state->getSVal((*I)->getLocationAs<StmtPoint>()->getStmt());
+    if (location.getAsSymbol() != ParamSym)
       continue;
 
     // Emit an error.
-- 
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