From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 12 Oct 2012 22:56:31 +0000 (+0000)
Subject: Fix potential null deference in CFG printer.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=507d106c758e745d3f71f44639092eb97d356525;p=clang

Fix potential null deference in CFG printer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165836 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index 4d63345caf..94c005f552 100644
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -3865,8 +3865,8 @@ static void print_block(raw_ostream &OS, const CFG* cfg,
 
     if (Helper) Helper->setBlockID(-1);
 
-    CFGBlockTerminatorPrint TPrinter(OS, Helper,
-                                     PrintingPolicy(Helper->getLangOpts()));
+    PrintingPolicy PP(Helper ? Helper->getLangOpts() : LangOptions());
+    CFGBlockTerminatorPrint TPrinter(OS, Helper, PP);
     TPrinter.Visit(const_cast<Stmt*>(B.getTerminator().getStmt()));
     OS << '\n';