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kotlinlang

I'm using an IR rewrite pass to replace a property with a new one with the same name, but a new backing field, and accessors that get/set a property of that backing field.  This works fine for the most part, but in `init` blocks and class methods, references to the property's accessors seem to be replaced with the backing field.  Ex:
```class Test(@Watch var x: Int){
    fun print(){
        println("Prop: $x")
    }
}
fun main() {
    val t = Test(3)
    
    println(t.x)
    t.print()
}```
The `println(t.x)` works fine and prints 3, but the `println` in `print` prints the backing field.  I'm using 1.4-M1.  Ideas?  I've dumped the IR and there doesn't seem to be any differences

IR: <https://gist.github.com/rnett/6c90b8d0441341048165f93304bf0212>

Note the `print` method:
```FUN name:print visibility:public modality:FINAL &lt;&gt; ($this:com.rnett.klairvoyant.Test) returnType:kotlin.Unit
      $this: VALUE_PARAMETER name:&lt;this&gt; type:com.rnett.klairvoyant.Test
      BLOCK_BODY
        CALL 'public final fun println (message: kotlin.Any?): kotlin.Unit [inline] declared in <http://kotlin.io|kotlin.io>' type=kotlin.Unit origin=null
          message: STRING_CONCATENATION type=kotlin.String
            CONST String type=kotlin.String value="Prop: "
            CALL 'public final fun &lt;get-x&gt; (): @[Watched] <http://kotlin.Int|kotlin.Int> declared in com.rnett.klairvoyant.Test' type=@[Watched] <http://kotlin.Int|kotlin.Int> origin=null
              $this: GET_VAR '&lt;this&gt;: com.rnett.klairvoyant.Test declared in com.rnett.klairvoyant.Test.print' type=com.rnett.klairvoyant.Test origin=null```
And the non-method `println` call:
```CALL 'public final fun println (message: <http://kotlin.Int|kotlin.Int>): kotlin.Unit [inline] declared in <http://kotlin.io|kotlin.io>' type=kotlin.Unit origin=null
        message: CALL 'public final fun &lt;get-x&gt; (): @[Watched] <http://kotlin.Int|kotlin.Int> declared in com.rnett.klairvoyant.Test' type=@[Watched] <http://kotlin.Int|kotlin.Int> origin=null
          $this: GET_VAR 'val t: com.rnett.klairvoyant.Test [val] declared in com.rnett.klairvoyant.main' type=com.rnett.klairvoyant.Test origin=null```

May be you should also replace all GetField expressions to get your transformed field?

There aren't any, except for in my accessors

I figured it out: the issue was that I was setting the property's backing field to a field of a different type, and apparently future passes assume they are the same.  I can just add the field separately, and reference it in the property's accessors.