|  | @@ -1622,8 +1622,10 @@ void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx,
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				|  |  |      if (s->id != 0) {
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				|  |  |        remove_stream(exec_ctx, t, s->id,
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				|  |  |                      removal_error(GRPC_ERROR_REF(error), s, "Stream removed"));
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				|  |  | +    } else {
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				|  |  | +      /* Purge streams waiting on concurrency still waiting for id assignment */
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				|  |  | +      grpc_chttp2_list_remove_waiting_for_concurrency(t, s);
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				|  |  |      }
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				|  |  | -    grpc_chttp2_list_remove_waiting_for_concurrency(t, s);
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				|  |  |      GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2");
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				|  |  |    }
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				|  |  |    GRPC_ERROR_UNREF(error);
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