Use WeakVH while storing metadata in containers.
This fixes PR5393.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h
index d60bcea..1112dc4 100644
--- a/lib/AsmParser/LLParser.h
+++ b/lib/AsmParser/LLParser.h
@@ -79,8 +79,8 @@
std::map<unsigned, std::pair<PATypeHolder, LocTy> > ForwardRefTypeIDs;
std::vector<PATypeHolder> NumberedTypes;
/// MetadataCache - This map keeps track of parsed metadata constants.
- std::map<unsigned, MetadataBase *> MetadataCache;
- std::map<unsigned, std::pair<MetadataBase *, LocTy> > ForwardRefMDNodes;
+ std::map<unsigned, WeakVH> MetadataCache;
+ std::map<unsigned, std::pair<WeakVH, LocTy> > ForwardRefMDNodes;
SmallVector<std::pair<unsigned, MDNode *>, 2> MDsOnInst;
struct UpRefRecord {
/// Loc - This is the location of the upref.