diff options
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DIE.h')
-rw-r--r-- | lib/CodeGen/AsmPrinter/DIE.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h index 1a1c080c32..ef05f17078 100644 --- a/lib/CodeGen/AsmPrinter/DIE.h +++ b/lib/CodeGen/AsmPrinter/DIE.h @@ -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; |