Partial fix for #14982 internalAstError for function with std::enable_if (cppcheck-opensource#8810)

Co-authored-by: chrchr-github <noreply@github.com>

Author: chrchr-github

lib/tokenize.cpp

@@ -5650,6 +5650,8 @@ void Tokenizer::createLinks2()
                 const Token* end = type.top()->findClosingBracket();
                 if (Token::Match(end, "> %comp%|;|.|=|{|}|(|)|::"))
                     break;
+                if (Token::Match(end, "> %name% (|::"))
+                    break;
                 // Variable declaration
                 if (Token::Match(end, "> %var% ;") && (type.top()->tokAt(-2) == nullptr || Token::Match(type.top()->tokAt(-2), ";|}|{")))
                     break;

test/testtokenize.cpp

@@ -4004,6 +4004,21 @@ class TestTokenizer : public TestFixture {
             ASSERT_EQUALS(true, tok1->link() == tok2);
             ASSERT_EQUALS(true, tok2->link() == tok1);
         }
+
+        {
+            const char code[] = "std::enable_if_t<0 || 1, void> f() {}\n" // #14982
+                                "std::enable_if_t<0 || 1, void> S::g() {}\n";
+            SimpleTokenizer tokenizer(settingsDefault, *this);
+            ASSERT(tokenizer.tokenize(code));
+            const Token* tok1 = Token::findsimplematch(tokenizer.tokens(), "< 0");
+            const Token* tok2 = Token::findsimplematch(tok1, "> f");
+            ASSERT_EQUALS(true, tok1->link() == tok2);
+            ASSERT_EQUALS(true, tok2->link() == tok1);
+            const Token* tok3 = Token::findsimplematch(tok2, "< 0");
+            const Token* tok4 = Token::findsimplematch(tok3, "> S");
+            ASSERT_EQUALS(true, tok3->link() == tok4);
+            ASSERT_EQUALS(true, tok4->link() == tok3);
+        }
     }
 
     void simplifyString() {