[clang] [lldb] [llvm] [mlir] [NFC][Support] Add llvm::uninitialized_copy (PR #138174)

[Sergei Barannikov via cfe-commits]

================
@@ -2038,6 +2038,11 @@ template <typename R1, typename R2> auto mismatch(R1 &&Range1, R2 &&Range2) {
                        adl_end(Range2));
 }
 
+template <typename R1, typename IterTy>
+auto uninitialized_copy(R1 &&Src, IterTy Dst) {
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s-barannikov wrote:

```suggestion
template <typename R, typename IterTy>
auto uninitialized_copy(R &&Src, IterTy Dst) {
```

https://github.com/llvm/llvm-project/pull/138174