================ @@ -0,0 +1,30 @@ +.. title:: clang-tidy - bugprone-return-const-ref-from-parameter + +bugprone-return-const-ref-from-parameter +======================================== + +Detects the function which returns the const reference from parameter which +causes potential use after free if the caller uses xvalue as argument. + +In c++, const reference parameter can accept xvalue which will be destructed +after the call. When the function returns this parameter also as const reference, +then the returned reference can be used after the object it refers to has been +destroyed. ---------------- SimplyDanny wrote:
```suggestion In C++, constant reference parameters can accept xvalues which will be destructed after the call. When the function returns such a parameter also as constant reference, then the returned reference can be used after the object it refers to has been destroyed. ``` https://github.com/llvm/llvm-project/pull/89497 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
