Fix #14612 Internal error: "Cannot find end of expression" (#8354)

Author: chrchr-github

lib/tokenize.cpp

@@ -5544,7 +5544,7 @@ void Tokenizer::createLinks2()
 
             while (!type.empty() && type.top()->str() == "<") {
                 const Token* end = type.top()->findClosingBracket();
-                if (Token::Match(end, "> %comp%|;|.|=|{|(|::"))
+                if (Token::Match(end, "> %comp%|;|.|=|{|(|)|::"))
                     break;
                 // Variable declaration
                 if (Token::Match(end, "> %var% ;") && (type.top()->tokAt(-2) == nullptr || Token::Match(type.top()->tokAt(-2), ";|}|{")))

test/testtokenize.cpp

@@ -3829,6 +3829,19 @@ class TestTokenizer : public TestFixture {
             ASSERT_EQUALS(true, tok1->link() == tok2);
             ASSERT_EQUALS(true, tok2->link() == tok1);
         }
+
+        {
+            const char code[] = "template <typename Fn, typename... Args>\n" // #14612
+                                "void f(Fn && fn, Args&&... args) {\n"
+                                "    static_assert(std::is_invocable_v<Fn&&, Args&&...>);\n"
+                                "}\n";
+            SimpleTokenizer tokenizer(settings0, *this);
+            ASSERT(tokenizer.tokenize(code));
+            const Token* tok1 = Token::findsimplematch(tokenizer.tokens(), "< Fn");
+            const Token* tok2 = Token::findsimplematch(tok1, "> )");
+            ASSERT_EQUALS(true, tok1->link() == tok2);
+            ASSERT_EQUALS(true, tok2->link() == tok1);
+        }
     }
 
     void simplifyString() {