[Issue 19894] New: Structs with disabled postblit is still not copyable after defining a copy constructor

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19894

          Issue ID: 19894
           Summary: Structs with disabled postblit is still not copyable
                    after defining a copy constructor
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: yshuiv7 at gmail.com

Example: https://run.dlang.io/is/BYs5vZ

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