Index: clangd/index/IndexAction.cpp
===================================================================
--- clangd/index/IndexAction.cpp
+++ clangd/index/IndexAction.cpp
@@ -174,6 +174,7 @@
       index::IndexingOptions::SystemSymbolFilterKind::All;
   Opts.CollectIncludePath = true;
   Opts.CountReferences = true;
+  Opts.CollectMacro = true;
   Opts.Origin = SymbolOrigin::Static;
   if (RefsCallback != nullptr) {
     Opts.RefFilter = RefKind::All;
Index: unittests/clangd/BackgroundIndexTests.cpp
===================================================================
--- unittests/clangd/BackgroundIndexTests.cpp
+++ unittests/clangd/BackgroundIndexTests.cpp
@@ -136,6 +136,7 @@
   // B_CC is dropped as we don't collect symbols from A.h in this compilation.
   EXPECT_THAT(runFuzzyFind(Idx, ""),
               UnorderedElementsAre(Named("common"), Named("A_CC"), Named("g"),
+                                   Named("A"),
                                    AllOf(Named("f_b"), Declared(), Defined())));
 
   auto Syms = runFuzzyFind(Idx, "common");