Try to fix https://github.com/llvm/llvm-project/issues/83845
When `std::forward` is invoked in a function, make sure it uses correct
parameter by checking if the bounded `var` equals the parameter.
Co-authored-by: huqizhi <836744285@qq.com>
Parameter variable which is forwarded in lambda capture list or in body
by reference is reasonable and current version of this check produces
false positive on these cases. This patch try to fix the
[issue](https://github.com/llvm/llvm-project/issues/68105)
Co-authored-by: huqizhi <836744285@qq.com>
Warns when a function accepting a forwarding reference does anything besides
forwarding (with std::forward) the parameter in the body of the function.
Reviewed By: PiotrZSL
Differential Revision: https://reviews.llvm.org/D146921
