1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 925af4e17e1..a07a109cf66 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -2512,7 +2512,12 @@ bool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) {
 
     if (!F) {
       // Make a global variable as a placeholder for this reference.
-      GlobalValue *&FwdRef = ForwardRefBlockAddresses[Fn][Label];
+      GlobalValue *&FwdRef =
+          ForwardRefBlockAddresses.insert(std::make_pair(
+                                              std::move(Fn),
+                                              std::map<ValID, GlobalValue *>()))
+              .first->second.insert(std::make_pair(std::move(Label), nullptr))
+              .first->second;
       if (!FwdRef)
         FwdRef = new GlobalVariable(*M, Type::getInt8Ty(Context), false,
                                     GlobalValue::InternalLinkage, nullptr, "");