[all-commits] [llvm/llvm-project] b7459a: [DWARF] Fix crash for DWARFDie::dump.

[Rafael Auler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b7459a10dad1cf71dc0e6dcb97256bfbe3c2a28d
      https://github.com/llvm/llvm-project/commit/b7459a10dad1cf71dc0e6dcb97256bfbe3c2a28d
  Author: Alexander Yermolovich <ayermolo at fb.com>
  Date:   2021-04-14 (Wed, 14 Apr 2021)

  Changed paths:
    M llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h
    M llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
    M llvm/unittests/DebugInfo/DWARF/CMakeLists.txt
    A llvm/unittests/DebugInfo/DWARF/DWARFDieManualExtractTest.cpp

  Log Message:
  -----------
  [DWARF] Fix crash for DWARFDie::dump.

When DIE is extracted manually, the DieArray is empty. When dump is invoked on aforementioned DIE it tries to extract child, even if Dump options say otherwise. Resulting in crash.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D99698