[MS Demangler] Anonymous namespace hashes can be backreferenced.

Previously we were not remembering the key values of anonymous
namespaces, but we need to do this.

llvm-svn: 340238

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/Demangle/MicrosoftDemangle.cpp b/llvm/lib/Demangle/MicrosoftDemangle.cpp
index 8b253bf..f2ad689 100644
--- a/llvm/lib/Demangle/MicrosoftDemangle.cpp
+++ b/llvm/lib/Demangle/MicrosoftDemangle.cpp
@@ -2170,6 +2170,8 @@ Name *Demangler::demangleAnonymousNamespaceName(StringView &MangledName) {
     Error = true;
     return nullptr;
   }
+  StringView NamespaceKey = MangledName.substr(0, EndPos);
+  memorizeString(NamespaceKey);
   MangledName = MangledName.substr(EndPos + 1);
   return Node;
 }