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fn main() {
x = x = x;
//~^ ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `x` in this scope
x = y = y = y;
//~^ ERROR cannot find value `y` in this scope
//~| ERROR cannot find value `y` in this scope
//~| ERROR cannot find value `y` in this scope
//~| ERROR cannot find value `x` in this scope
x = y = y;
//~^ ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `y` in this scope
//~| ERROR cannot find value `y` in this scope
x = x = y;
//~^ ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `y` in this scope
x = x; // will suggest add `let`
//~^ ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `x` in this scope
x = y // will suggest add `let`
//~^ ERROR cannot find value `x` in this scope
//~| ERROR cannot find value `y` in this scope
}
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