diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -343,18 +343,6 @@
   return FullyQualifiedName;
 }
 
-std::string CodeViewDebug::getFullyQualifiedName(const DIScope *Scope,
-                                                 StringRef Name) {
-  SmallVector<StringRef, 5> QualifiedNameComponents;
-  collectParentScopeNames(Scope, QualifiedNameComponents);
-  return formatNestedName(QualifiedNameComponents, Name);
-}
-
-std::string CodeViewDebug::getFullyQualifiedName(const DIScope *Ty) {
-  const DIScope *Scope = Ty->getScope();
-  return getFullyQualifiedName(Scope, getPrettyScopeName(Ty));
-}
-
 struct CodeViewDebug::TypeLoweringScope {
   TypeLoweringScope(CodeViewDebug &CVD) : CVD(CVD) { ++CVD.TypeEmissionLevel; }
   ~TypeLoweringScope() {
@@ -367,6 +355,22 @@
   CodeViewDebug &CVD;
 };
 
+std::string CodeViewDebug::getFullyQualifiedName(const DIScope *Scope,
+                                                 StringRef Name) {
+  // Ensure types in the scope chain are emitted as soon as possible.
+  // This can create otherwise a situation where S_UDTs are emitted while
+  // looping in emitDebugInfoForUDTs.
+  TypeLoweringScope S(*this);
+  SmallVector<StringRef, 5> QualifiedNameComponents;
+  collectParentScopeNames(Scope, QualifiedNameComponents);
+  return formatNestedName(QualifiedNameComponents, Name);
+}
+
+std::string CodeViewDebug::getFullyQualifiedName(const DIScope *Ty) {
+  const DIScope *Scope = Ty->getScope();
+  return getFullyQualifiedName(Scope, getPrettyScopeName(Ty));
+}
+
 TypeIndex CodeViewDebug::getScopeIndex(const DIScope *Scope) {
   // No scope means global scope and that uses the zero index.
   if (!Scope || isa<DIFile>(Scope))