From 8c1d7ef3161806294181c530c889f4d0f5d61b0a Mon Sep 17 00:00:00 2001
From: Greg Hewgill <greg@hewgill.com>
Date: Sun, 20 Feb 2011 23:44:18 +1300
Subject: [PATCH] avoid crash when else condition doesn't have braces to link

---
 lib/checkother.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index e3135dd71..93480de5e 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -415,6 +415,13 @@ void CheckOther::checkSwitchCaseFallThrough()
                     {
                         tok2 = tok2->tokAt(2);
                         ifnest.pop();
+                        if (tok2->link() == NULL)
+                        {
+                            std::ostringstream errmsg;
+                            errmsg << "unmatched if in switch: " << tok2->linenr();
+                            reportError(_tokenizer->tokens(), Severity::debug, "debug", errmsg.str());
+                            break;
+                        }
                         ifnest.push(std::make_pair(tok2->link(), justbreak));
                         justbreak = false;
                     }