================ @@ -237,6 +238,10 @@ class DenseSetImpl { for (; I != E; ++I) insert(*I); } + + template <typename Range> void insert_range(Range &&R) { + insert(adl_begin(R), adl_end(R)); ---------------- kazutakahirata wrote: Thanks again! https://github.com/llvm/llvm-project/pull/131567