Tablet splitting: Crash during generating TSHeartbeat report after split

[bmatican]

Program terminated with signal 11, Segmentation fault.
#0  yb::tserver::TSTabletManager::GenerateTabletReport (this=0x182c880, report=report@entry=0x32944e0, include_bootstrap=include_bootstrap@entry=true) at ../../src/yb/tserver/ts_tablet_manager.cc:1972
1972	../../src/yb/tserver/ts_tablet_manager.cc: No such file or directory.
(gdb) bt
#0  yb::tserver::TSTabletManager::GenerateTabletReport (this=0x182c880, report=report@entry=0x32944e0, include_bootstrap=include_bootstrap@entry=true) at ../../src/yb/tserver/ts_tablet_manager.cc:1972
#1  0x00007f556c97b99d in yb::tserver::Heartbeater::Thread::TryHeartbeat (this=this@entry=0x14cc900) at ../../src/yb/tserver/heartbeater.cc:369
#2  0x00007f556c97d1c3 in yb::tserver::Heartbeater::Thread::DoHeartbeat (this=this@entry=0x14cc900) at ../../src/yb/tserver/heartbeater.cc:520
#3  0x00007f556c97d595 in yb::tserver::Heartbeater::Thread::RunThread (this=0x14cc900) at ../../src/yb/tserver/heartbeater.cc:566
#4  0x00007f5562599cff in operator() (this=0x1a28718) at /home/yugabyte/yb-software/yugabyte-2.5.2.0-b104-centos-x86_64/linuxbrew-xxxxxxxxxxxx/Cellar/gcc/5.5.0_4/include/c++/5.5.0/functional:2267
#5  yb::Thread::SuperviseThread (arg=0x1a286c0) at ../../src/yb/util/thread.cc:771
#6  0x00007f555dcb5694 in start_thread (arg=0x7f554f516700) at pthread_create.c:333
#7  0x00007f555d3f241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

If I understand correctly, we're just not using tablet_peer->shared_tablet() ?

cc @ttyusupov @robertsami