173     StringRef existing = pair.first->second;  in parseMerge()  local
174     if (existing != to)  in parseMerge()
175       warn(s + ": already merged into " + existing);  in parseMerge()
732     Export *existing = pair.first->second.first;  in fixupExports()  local
733     if (e == *existing || e.name != existing->name)  in fixupExports()
738     if (existing->source == ExportSource::Directives) {  in fixupExports()
739       *existing = e;  in fixupExports()
743     if (existing->source == e.source) {  in fixupExports()
744       warn(Twine("duplicate ") + exportSourceName(existing->source) +  in fixupExports()
748            Twine(" first seen in " + exportSourceName(existing->source) +  in fixupExports()
779   std::pair<StringRef, InputFile *> existing = ctx.config.mustMatch[k];  in checkFailIfMismatch()  local
780   if (!existing.first.empty() && v != existing.first) {  in checkFailIfMismatch()
783         existing.second ? toString(existing.second) : "cmd-line";  in checkFailIfMismatch()
785           existingStr + " has value " + existing.first + "\n>>> " + sourceStr +  in checkFailIfMismatch()