Fixed #8232 (segmentation fault on valid C++ code in isOppositeCond())

lib/tokenlist.cpp

@@ -391,6 +391,9 @@ static bool iscast(const Token *tok)
     if (!Token::Match(tok, "( ::| %name%"))
         return false;
 
+    if (Token::simpleMatch(tok->link(), ") ( )"))
+        return false;
+
     if (tok->previous() && tok->previous()->isName() && tok->previous()->str() != "return")
         return false;
 

test/testtokenize.cpp

@@ -8500,6 +8500,7 @@ private:
         // not cast
         ASSERT_EQUALS("AB||", testAst("(A)||(B)"));
         ASSERT_EQUALS("abc[1&=", testAst("a = (b[c]) & 1;"));
+        ASSERT_EQUALS("abc::(=", testAst("a = (b::c)();"));
     }
 
     void astlambda() {