C diagnostics only highlight a single point instead of the actual range

C diagnostics only highlight a single point instead of the actual range: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). When I work on a C project with ycmd + OmniSharp, diagnostics (especially warnings) only mark a single character position rather than the span…