https://issues.dlang.org/show_bug.cgi?id=23575

          Issue ID: 23575
           Summary: Allow implicit conversion to a nested void pointer
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: ogion.art@gmail.com

int* px;
void* p = px;    // Works
void** pp = &px; // Error: cannot implicitly convert expression `& px` of type
`int**` to `void**`

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