DIE: Document some learnings about why the world isn't perfect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207458 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2014-04-28 22:41:39 +00:00
parent dc9a4f7391
commit d200f074f5

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@ -124,6 +124,12 @@ protected:
/// Children DIEs.
///
// This can't be a vector<DIE> because pointer validity is requirent for the
// Parent pointer and DIEEntry.
// It can't be a list<DIE> because some clients need pointer validity before
// the object has been added to any child list
// (eg: DwarfUnit::constructVariableDIE). These aren't insurmountable, but may
// be more convoluted than beneficial.
std::vector<std::unique_ptr<DIE>> Children;
DIE *Parent;