IR to CFG: type operator unrolling

compiler/ir/ir.ir2cfg/src/org/jetbrains/kotlin/ir2cfg/generators/FunctionGenerator.kt

@@ -200,6 +200,14 @@ class FunctionGenerator(val function: IrFunction) {
             return expression
         }
 
+        override fun visitTypeOperator(expression: IrTypeOperatorCall, data: Boolean): IrElement? {
+            expression.argument.process()
+            if (data) {
+                builder.add(expression)
+            }
+            return expression
+        }
+
         override fun visitElement(element: IrElement, data: Boolean): IrElement? {
             TODO("not implemented")
         }

compiler/testData/ir/irCfg/loop/digitCount.txt

@@ -25,7 +25,11 @@ BB 2
 INCOMING <- BB 1
     CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
 CONTENT
-      1 TYPE_OP origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
+      1 GET_VAR 'count: Int' type=kotlin.Int origin=POSTFIX_INCR
+      2 VAR IR_TEMPORARY_VARIABLE val tmp0: kotlin.Int
+      3 SET_VAR 'count: Int' type=kotlin.Unit origin=POSTFIX_INCR
+      4 GET_VAR 'tmp0: Int' type=kotlin.Int origin=null
+      5 TYPE_OP origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
 OUTGOING -> BB 3
     When exit: WHEN type=kotlin.Unit origin=null
 BB 3