Tomasz Grabiec 6d6b93d1e7 flat_mutation_reader: Move field initialization to initializer list ...

This works around a problem of std::terminate() being called in debug
mode build if initialization of _current throws.

Backtrace:

Thread 2 "row_cache_test_" received signal SIGABRT, Aborted.
0x00007ffff17ce9fb in raise () from /lib64/libc.so.6
(gdb) bt
  #0  0x00007ffff17ce9fb in raise () from /lib64/libc.so.6
  #1  0x00007ffff17d077d in abort () from /lib64/libc.so.6
  #2  0x00007ffff5773025 in __gnu_cxx::__verbose_terminate_handler() () from /lib64/libstdc++.so.6
  #3  0x00007ffff5770c16 in ?? () from /lib64/libstdc++.so.6
  #4  0x00007ffff576fb19 in ?? () from /lib64/libstdc++.so.6
  #5  0x00007ffff5770508 in __gxx_personality_v0 () from /lib64/libstdc++.so.6
  #6  0x00007ffff3ce4ee3 in ?? () from /lib64/libgcc_s.so.1
  #7  0x00007ffff3ce570e in _Unwind_Resume () from /lib64/libgcc_s.so.1
  #8  0x0000000003633602 in reader::reader (this=0x60e0001160c0, r=...) at flat_mutation_reader.cc:214
  #9  0x0000000003655864 in std::make_unique<make_forwardable(flat_mutation_reader)::reader, flat_mutation_reader>(flat_mutation_reader &&) (__args#0=...)
    at /usr/include/c++/7/bits/unique_ptr.h:825
  #10 0x0000000003649a63 in make_flat_mutation_reader<make_forwardable(flat_mutation_reader)::reader, flat_mutation_reader>(flat_mutation_reader &&) (args#0=...)
    at flat_mutation_reader.hh:440
  #11 0x000000000363565d in make_forwardable (m=...) at flat_mutation_reader.cc:270
  #12 0x000000000303f962 in memtable::make_flat_reader (this=0x61300001d540, s=..., range=..., slice=..., pc=..., trace_state_ptr=..., fwd=..., fwd_mr=...)
    at memtable.cc:592

Message-Id: <1528792447-13336-1-git-send-email-tgrabiec@scylladb.com>

2018-06-25 20:03:23 +03:00

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