https://issues.dlang.org/show_bug.cgi?id=20988

          Issue ID: 20988
           Summary: Missing error for negated array.ptr
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: moonlightsentinel@disroot.org

The following code compiles without raising an error regarding `arr.ptr`.

void main() @safe
{
    uint[] arr = [1, 2, 3];
    bool b = !arr.ptr;
}

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