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

1 files changed, 5 insertions, 5 deletions

diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 8e7017063c..63af42dcca 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -480,17 +480,17 @@ bool LLParser::ParseMDNode(MetadataBase *&Node) {
   if (ParseUInt32(MID))  return true;
 
   // Check existing MDNode.
-  std::map<unsigned, MetadataBase *>::iterator I = MetadataCache.find(MID);
+  std::map<unsigned, WeakVH>::iterator I = MetadataCache.find(MID);
   if (I != MetadataCache.end()) {
-    Node = I->second;
+    Node = cast<MetadataBase>(I->second);
     return false;
   }
 
   // Check known forward references.
-  std::map<unsigned, std::pair<MetadataBase *, LocTy> >::iterator
+  std::map<unsigned, std::pair<WeakVH, LocTy> >::iterator
     FI = ForwardRefMDNodes.find(MID);
   if (FI != ForwardRefMDNodes.end()) {
-    Node = FI->second.first;
+    Node = cast<MetadataBase>(FI->second.first);
     return false;
   }
 
@@ -570,7 +570,7 @@ bool LLParser::ParseStandaloneMetadata() {
 
   MDNode *Init = MDNode::get(Context, Elts.data(), Elts.size());
   MetadataCache[MetadataID] = Init;
-  std::map<unsigned, std::pair<MetadataBase *, LocTy> >::iterator
+  std::map<unsigned, std::pair<WeakVH, LocTy> >::iterator
     FI = ForwardRefMDNodes.find(MetadataID);
   if (FI != ForwardRefMDNodes.end()) {
     MDNode *FwdNode = cast<MDNode>(FI->second.first);