FILE fqName:<root> fileName:/whenCoercedToUnit.kt
  FUN name:foo visibility:public modality:FINAL <> (x:kotlin.Int) returnType:Unit flags:
    VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
    BLOCK_BODY
      BLOCK type=kotlin.Unit origin=WHEN
        VAR IR_TEMPORARY_VARIABLE name:tmp0_subject type:kotlin.Int flags:val
          GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
        WHEN type=kotlin.Unit origin=WHEN
          BRANCH
            if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
              arg0: GET_VAR 'tmp0_subject: Int' type=kotlin.Int origin=null
              arg1: CONST Int type=kotlin.Int value=0
            then: TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
              CONST Int type=kotlin.Int value=0