[Bug middle-end/82899] *this in constructors could not alias with reference input parameters of the same type

[antoshkka at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82899

--- Comment #3 from Antony Polukhin <antoshkka at gmail dot com> ---
BTW, Clang warns on code like Y y(y)

warning: variable 'y' is uninitialized when used within its own initialization
[-Wuninitialized]
  Y y(y);
    ~ ^

GCC may add same warning