FILE /chainOfSafeCalls.kt
  CLASS CLASS C
    CONSTRUCTOR public constructor C()
      BLOCK_BODY
        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
        INSTANCE_INITIALIZER_CALL classDescriptor='C'
    FUN public final fun foo(): C
      BLOCK_BODY
        RETURN type=kotlin.Nothing from='foo(): C'
          GET_VAR '<receiver: C>' type=C origin=null
    FUN public final fun bar(): C?
      BLOCK_BODY
        RETURN type=kotlin.Nothing from='bar(): C?'
          GET_VAR '<receiver: C>' type=C origin=null
  FUN public fun test(nc: C?): C?
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='test(C?): C?'
        BLOCK type=C? origin=SAFE_CALL
          VAR IR_TEMPORARY_VARIABLE val tmp3_safe_receiver: C?
            BLOCK type=C? origin=SAFE_CALL
              VAR IR_TEMPORARY_VARIABLE val tmp2_safe_receiver: C?
                BLOCK type=C? origin=SAFE_CALL
                  VAR IR_TEMPORARY_VARIABLE val tmp1_safe_receiver: C?
                    BLOCK type=C? origin=SAFE_CALL
                      VAR IR_TEMPORARY_VARIABLE val tmp0_safe_receiver: C?
                        GET_VAR 'value-parameter nc: C?' type=C? origin=null
                      WHEN type=C? origin=SAFE_CALL
                        BRANCH
                          if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
                            arg0: GET_VAR 'tmp0_safe_receiver: C?' type=C? origin=null
                            arg1: CONST Null type=kotlin.Nothing? value='null'
                          then: CONST Null type=kotlin.Nothing? value='null'
                        BRANCH
                          if: CONST Boolean type=kotlin.Boolean value='true'
                          then: CALL 'foo(): C' type=C origin=null
                            $this: GET_VAR 'tmp0_safe_receiver: C?' type=C? origin=null
                  WHEN type=C? origin=SAFE_CALL
                    BRANCH
                      if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
                        arg0: GET_VAR 'tmp1_safe_receiver: C?' type=C? origin=null
                        arg1: CONST Null type=kotlin.Nothing? value='null'
                      then: CONST Null type=kotlin.Nothing? value='null'
                    BRANCH
                      if: CONST Boolean type=kotlin.Boolean value='true'
                      then: CALL 'bar(): C?' type=C? origin=null
                        $this: GET_VAR 'tmp1_safe_receiver: C?' type=C? origin=null
              WHEN type=C? origin=SAFE_CALL
                BRANCH
                  if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
                    arg0: GET_VAR 'tmp2_safe_receiver: C?' type=C? origin=null
                    arg1: CONST Null type=kotlin.Nothing? value='null'
                  then: CONST Null type=kotlin.Nothing? value='null'
                BRANCH
                  if: CONST Boolean type=kotlin.Boolean value='true'
                  then: CALL 'foo(): C' type=C origin=null
                    $this: GET_VAR 'tmp2_safe_receiver: C?' type=C? origin=null
          WHEN type=C? origin=SAFE_CALL
            BRANCH
              if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
                arg0: GET_VAR 'tmp3_safe_receiver: C?' type=C? origin=null
                arg1: CONST Null type=kotlin.Nothing? value='null'
              then: CONST Null type=kotlin.Nothing? value='null'
            BRANCH
              if: CONST Boolean type=kotlin.Boolean value='true'
              then: CALL 'foo(): C' type=C origin=null
                $this: GET_VAR 'tmp3_safe_receiver: C?' type=C? origin=null
