fix

Author: ludviggunne

lib/checkother.cpp

@@ -1591,8 +1591,23 @@ void CheckOther::checkPassByReference()
         if (var->isArray() && (!var->isStlType() || Token::simpleMatch(var->nameToken()->next(), "[")))
             continue;
 
+        bool argWithNoBody = false;
+        if (var->isArgument()) {
+            const Token *tok = var->nameToken();
+            for (; tok; tok = tok->next()) {
+                if (Token::simpleMatch(tok, "(")) {
+                    tok = tok->link();
+                    continue;
+                }
+                if (Token::simpleMatch(tok, ")"))
+                    break;
+            }
+
+            argWithNoBody = Token::simpleMatch(tok, ") ;");
+        }
+
         const bool isConst = var->isConst();
-        if (isConst) {
+        if (isConst && !argWithNoBody) {
             passedByValueError(var, inconclusive, isRangeBasedFor);
             continue;
         }