[all-commits] [llvm/llvm-project] 18a96f: [lldb/DWARF] Fix a leak in line table construction

[Pavel Labath via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 18a96fd573b134fed7d8ea6b87930e7a059d6c90
      https://github.com/llvm/llvm-project/commit/18a96fd573b134fed7d8ea6b87930e7a059d6c90
  Author: Pavel Labath <pavel at labath.sk>
  Date:   2020-01-21 (Tue, 21 Jan 2020)

  Changed paths:
    M lldb/include/lldb/Symbol/LineTable.h
    M lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
    M lldb/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
    M lldb/source/Symbol/LineTable.cpp

  Log Message:
  -----------
  [lldb/DWARF] Fix a leak in line table construction

We were creating a bunch of LineSequence objects but never deleting
them.

This fixes the leak and changes the code to use std::unique_ptr, to make
it harder to make the same mistake again.