Add stack trace pretty printing in GRExprEngine::VisitLValue().

llvm-svn: 91985
diff --git a/clang/lib/Analysis/GRExprEngine.cpp b/clang/lib/Analysis/GRExprEngine.cpp
index cc39618..22becee 100644
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@@ -744,6 +744,10 @@
 
 void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
                                ExplodedNodeSet& Dst) {
+  
+  PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(),
+                                Ex->getLocStart(),
+                                "Error evaluating statement");
 
   Ex = Ex->IgnoreParens();