From 9c5a136f049e405fccbe8dfae7a7556eef93a0af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Mon, 3 Apr 2017 21:48:22 +0200
Subject: [PATCH] Fixed #7975 (crash: Tokenizer::createLinks2 problem with
 enable_if<x&&y,C*>)

---
 lib/tokenize.cpp      |  2 +-
 test/testtokenize.cpp | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 939de80ca..eeaf5f3ee 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -3034,7 +3034,7 @@ void Tokenizer::createLinks2()
 
     std::stack<Token*> type;
     for (Token *token = list.front(); token; token = token->next()) {
-        if (Token::Match(token, "struct|class %name% [:<]"))
+        if (Token::Match(token, "%name%|> %name% [:<]"))
             isStruct = true;
         else if (Token::Match(token, "[;{}]"))
             isStruct = false;
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
index fca695793..12d0d54cf 100644
--- a/test/testtokenize.cpp
+++ b/test/testtokenize.cpp
@@ -4569,6 +4569,19 @@ private:
             ASSERT_EQUALS(true, tok1->link() == tok2);
             ASSERT_EQUALS(true, tok2->link() == tok1);
         }
+
+        {
+            // #7975
+            const char code[] = "template <class C> X<Y&&Z, C*> copy() {};\n";
+            errout.str("");
+            Tokenizer tokenizer(&settings0, this);
+            std::istringstream istr(code);
+            tokenizer.tokenize(istr, "test.cpp");
+            const Token *tok1 = Token::findsimplematch(tokenizer.tokens(), "< Y");
+            const Token *tok2 = Token::findsimplematch(tok1, "> copy");
+            ASSERT_EQUALS(true, tok1->link() == tok2);
+            ASSERT_EQUALS(true, tok2->link() == tok1);
+        }
     }
 
     void simplifyString() {