[clang-doc] add namespace references to VarInfo (#146964)

VarInfo was missing its addReference specialization. This causes errors
when a VarInfo is inside a namespace that isn't the global namespace.

1 files changed, 11 insertions, 0 deletions

diff --git a/clang-tools-extra/clang-doc/BitcodeReader.cpp b/clang-tools-extra/clang-doc/BitcodeReader.cpp
index 2cbf8bf..f756ae6 100644
--- a/clang-tools-extra/clang-doc/BitcodeReader.cpp
+++ b/clang-tools-extra/clang-doc/BitcodeReader.cpp
@@ -569,6 +569,17 @@ static llvm::Error addReference(T I, Reference &&R, FieldId F) {
                                  "invalid type cannot contain Reference");
 }
 
+template <> llvm::Error addReference(VarInfo *I, Reference &&R, FieldId F) {
+  switch (F) {
+  case FieldId::F_namespace:
+    I->Namespace.emplace_back(std::move(R));
+    return llvm::Error::success();
+  default:
+    return llvm::createStringError(llvm::inconvertibleErrorCode(),
+                                   "VarInfo cannot contain this Reference");
+  }
+}
+
 template <> llvm::Error addReference(TypeInfo *I, Reference &&R, FieldId F) {
   switch (F) {
   case FieldId::F_type: