MapVector<const MDNode *, DwarfCompileUnit *> CUMap;
// Maps subprogram MDNode with its corresponding DwarfCompileUnit.
- DenseMap<const MDNode *, DwarfCompileUnit *> SPMap;
+ MapVector<const MDNode *, DwarfCompileUnit *> SPMap;
// Maps a CU DIE with its corresponding DwarfCompileUnit.
DenseMap<const DIE *, DwarfCompileUnit *> CUDieMap;