[Issue 11448] New: `dup` calls @system impure code from @safe pure function

[d-bugmail]

https://d.puremagic.com/issues/show_bug.cgi?id=11448

           Summary: `dup` calls @system impure code from @safe pure
                    function
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: verylonglogin....@gmail.com


--- Comment #0 from Denis Shelomovskij <verylonglogin....@gmail.com> 2013-11-06 
09:56:19 MSK ---
As `dup` calls postblit it should be either @system impure or conditionally
@safe pure as suggested in Issue 5700:
---
struct S
{ this(this){} }

void main() @safe pure
{
    S[1] s;
    s.dup; // should not be allowed
}
---

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