From 7c7ee66cf929f6fe7658550f695f6fe477011763 Mon Sep 17 00:00:00 2001
From: Pavol Misik <pmisik@gmail.com>
Date: Sat, 23 Mar 2019 10:42:41 +0100
Subject: [PATCH] Fix crash in TemplateSimplifier::TokenAndName::TokenAndName
 in case of template constexpr (#1748)

This is not propper solution. This change just eliminates crash and logs error.

https://trac.cppcheck.net/ticket/9046
---
 lib/templatesimplifier.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/templatesimplifier.cpp b/lib/templatesimplifier.cpp
index 46717e796..43e749027 100644
--- a/lib/templatesimplifier.cpp
+++ b/lib/templatesimplifier.cpp
@@ -83,8 +83,13 @@ TemplateSimplifier::TokenAndName::TokenAndName(Token *tok, const std::string &s,
         isAlias(paramEnd->strAt(1) == "using");
         isClass(Token::Match(paramEnd->next(), "class|struct|union %name% <|{|:|;"));
         const Token *tok1 = nameToken->next();
-        if (tok1->str() == "<")
-            tok1 = tok1->findClosingBracket()->next();
+        if (tok1->str() == "<") {
+            const Token *closing = tok1->findClosingBracket();
+            if (closing)
+                tok1 = closing->next();
+            else
+                throw InternalError(tok, "unsupported syntax", InternalError::SYNTAX);
+        }
         isFunction(tok1->str() == "(");
         isVariable(!isClass() && Token::Match(tok1, "=|;"));
         if (isVariable())