message: Put `static const` into IndexVar::def (a definition is not required unless odr-used)
diff: @@ -1495,13 +1495,17 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
  var.def.kind = lsSymbolKind::Parameter;
  //}
  - if (decl->isDefinition) {
  + if (!decl->isDefinition)
  + var.declarations.push_back(
  + SetUse(db, spell, lex_parent, Role::Declaration));
  + // For `static const`, a definition at namespace scope is not required
  + // unless odr-used.
  + if (decl->isDefinition ||
  + (decl->entityInfo->kind == CXIdxEntity_CXXStaticVariable &&
  + clang_isConstQualifiedType(clang_getCursorType(decl->cursor)))) {
  var.def.spell = SetUse(db, spell, sem_parent, Role::Definition);
  var.def.extent =
  SetUse(db, cursor.get_extent(), lex_parent, Role::None);
  - } else {
  - var.declarations.push_back(
  - SetUse(db, spell, lex_parent, Role::Declaration));
  }
  cursor.VisitChildren(&AddDeclInitializerUsagesVisitor, db);
  