http://d.puremagic.com/issues/show_bug.cgi?id=6284

           Summary: [Regression 2.054] 'pure' does not work with 'with'
                    statement
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Mac OS X
            Status: NEW
          Keywords: rejects-valid
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: kennytm@gmail.com


--- Comment #0 from kennytm@gmail.com 2011-07-10 13:23:23 PDT ---
Test case

-----------------------------
struct S {
    int a;
}
pure void bug6284() {
    S s;
    auto b = s.a;   // ok
    with (s) {
        auto c = a; // error
    }
}
-----------------------------
x.d(8): Error: pure nested function 'bug6284' cannot access mutable data 'a'
-----------------------------

The error does not happen in 2.053, probably due to the stricter pure check in 2.054.

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--- Comment #1 from kennytm@gmail.com 2011-07-10 13:30:33 PDT ---
(and yes, the regression is indeed introduced in commit 84b4f "tighten purity checks".

https://github.com/D-Programming-Language/dmd/commit/84b4f)

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kennytm@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch


--- Comment #2 from kennytm@gmail.com 2011-07-11 13:33:35 PDT ---
DMD pull #233.

https://github.com/D-Programming-Language/dmd/pull/233

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--- Comment #3 from kennytm@gmail.com 2011-07-12 13:22:25 PDT ---
DMD pull #243.

https://github.com/D-Programming-Language/dmd/pull/243

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kennytm@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |DUPLICATE


--- Comment #4 from kennytm@gmail.com 2011-07-16 01:04:00 PDT ---
Merging into bug 6293 as the root causes are the same.

*** This issue has been marked as a duplicate of issue 6293 ***

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla@digitalmars.com


--- Comment #5 from Walter Bright <bugzilla@digitalmars.com> 2011-08-01 21:44:44 PDT ---
https://github.com/D-Programming-Language/dmd/commit/1dac08b77af2826996567f629acf7f43d724cd48

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