https://bugs.llvm.org/show_bug.cgi?id=50152

            Bug ID: 50152
           Summary: `#pragma omp target teams distribute lastprivate(x)`
                    doesn't honor lastprivate
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: OpenMP
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected]

The following code (https://godbolt.org/z/8Wb8q4WEd) does not communicate `x`
back to the host, that seems wrong.

```
int foo(int N, int x) {
#pragma omp target teams distribute lastprivate(x)
  for (int i = 0; i < N; ++i) {
    x = i;
  }
  return ++x;
}
```

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