1 files changed, 3 insertions, 0 deletions

diff --git a/crates/ra_ide_db/src/symbol_index.rs b/crates/ra_ide_db/src/symbol_index.rs
index ac0a201df..aab918973 100644
--- a/crates/ra_ide_db/src/symbol_index.rs
+++ b/crates/ra_ide_db/src/symbol_index.rs
@@ -177,6 +177,9 @@ pub fn world_symbols(db: &RootDatabase, query: Query) -> Vec<FileSymbol> {
 }
 
 pub fn crate_symbols(db: &RootDatabase, krate: CrateId, query: Query) -> Vec<FileSymbol> {
+    // FIXME(#4842): This now depends on CrateDefMap, why not build the entire symbol index from
+    // that instead?
+
     let def_map = db.crate_def_map(krate);
     let mut files = Vec::new();
     let mut modules = vec![def_map.root];