|  | @@ -1031,7 +1031,7 @@ static void create_subchannel_call_locked(grpc_call_element* elem,
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				|  |  |  static void pick_done_locked(grpc_call_element* elem, grpc_error* error) {
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				|  |  |    call_data* calld = (call_data*)elem->call_data;
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				|  |  |    channel_data* chand = (channel_data*)elem->channel_data;
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				|  |  | -  if (!calld->pick.connected_subchannel) {
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				|  |  | +  if (calld->pick.connected_subchannel == nullptr) {
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				|  |  |      // Failed to create subchannel.
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				|  |  |      GRPC_ERROR_UNREF(calld->error);
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				|  |  |      calld->error = error == GRPC_ERROR_NONE
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				|  | @@ -1283,7 +1283,7 @@ static void start_pick_locked(void* arg, grpc_error* ignored) {
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				|  |  |    grpc_call_element* elem = (grpc_call_element*)arg;
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				|  |  |    call_data* calld = (call_data*)elem->call_data;
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				|  |  |    channel_data* chand = (channel_data*)elem->channel_data;
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				|  |  | -  GPR_ASSERT(!calld->pick.connected_subchannel);
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				|  |  | +  GPR_ASSERT(calld->pick.connected_subchannel == nullptr);
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				|  |  |    if (chand->lb_policy != nullptr) {
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				|  |  |      // We already have an LB policy, so ask it for a pick.
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				|  |  |      if (pick_callback_start_locked(elem)) {
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				|  | @@ -1462,7 +1462,7 @@ static void cc_destroy_call_elem(grpc_call_element* elem,
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				|  |  |                                 "client_channel_destroy_call");
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				|  |  |    }
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				|  |  |    GPR_ASSERT(calld->waiting_for_pick_batches_count == 0);
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				|  |  | -  if (calld->pick.connected_subchannel) {
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				|  |  | +  if (calld->pick.connected_subchannel != nullptr) {
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				|  |  |      calld->pick.connected_subchannel.reset();
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				|  |  |    }
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				|  |  |    for (size_t i = 0; i < GRPC_CONTEXT_COUNT; ++i) {
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