fixed false positive for 'using bitwise operation on boolean result'

lib/checkother.cpp

@@ -165,7 +165,7 @@ void CheckOther::clarifyCondition()
     // using boolean result in bitwise operation ! x [&|^]
     for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next())
     {
-        if (Token::Match(tok, "!|<|<=|==|!=|>|>="))
+        if (Token::Match(tok, "!|<|<=|==|!=|>|>= !!&"))
         {
             const Token *tok2 = tok->next();
             while (tok2 && (tok2->isName() || tok2->isNumber() || Token::Match(tok2,".|(|[")))

test/testother.cpp

@@ -2670,6 +2670,9 @@ private:
               "    if (x == foo() & 2) {}\n"
               "}");
         ASSERT_EQUALS("[test.cpp:2]: (style) Boolean result is used in bitwise operation. Clarify expression with parentheses\n", errout.str());
+
+        check("void f(std::list<int> &ints) { }");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void incorrectStringCompare()