[FIR] Fix incorrect do-while loop transforming order and IR generating

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt

@@ -1014,8 +1014,8 @@ internal class Fir2IrVisitor(
             ).apply {
                 loopMap[doWhileLoop] = this
                 label = doWhileLoop.label?.name
-                condition = doWhileLoop.condition.toIrExpression()
                 body = doWhileLoop.block.convertToIrExpressionOrBlock()
+                condition = doWhileLoop.condition.toIrExpression()
                 loopMap.remove(doWhileLoop)
             }
         }

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirDoWhileLoopImpl.kt

@@ -6,7 +6,19 @@
 package org.jetbrains.kotlin.fir.expressions.impl
 
 import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.fir.FirElement
 import org.jetbrains.kotlin.fir.expressions.FirDoWhileLoop
 import org.jetbrains.kotlin.fir.expressions.FirExpression
+import org.jetbrains.kotlin.fir.transformInplace
+import org.jetbrains.kotlin.fir.transformSingle
+import org.jetbrains.kotlin.fir.visitors.FirTransformer
 
-class FirDoWhileLoopImpl(psi: PsiElement?, condition: FirExpression) : FirAbstractLoop(psi, condition), FirDoWhileLoop
+class FirDoWhileLoopImpl(psi: PsiElement?, condition: FirExpression) : FirAbstractLoop(psi, condition), FirDoWhileLoop {
+    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElement {
+        block = block.transformSingle(transformer, data)
+        condition = condition.transformSingle(transformer, data)
+        label = label?.transformSingle(transformer, data)
+        annotations.transformInplace(transformer, data)
+        return this
+    }
+}

compiler/testData/ir/irText/declarations/localVarInDoWhile.fir.txt

@@ -7,5 +7,5 @@ FILE fqName:<root> fileName:/localVarInDoWhile.kt
             CONST Int type=kotlin.Int value=42
         condition: CALL 'public final fun not (): kotlin.Boolean declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCLEQ
           $this: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EXCLEQ
-            arg0: ERROR_CALL 'Unresolved reference: <Unresolved name: x>#' type=IrErrorType
+            arg0: GET_VAR 'val x: kotlin.Int [val] declared in <root>.foo' type=kotlin.Int origin=null
             arg1: CONST Int type=kotlin.Unit value=42