• d-bugmail puremagic.com (32/32) Jun 10 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6141
• d-bugmail puremagic.com (10/10) Nov 01 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6141
• d-bugmail puremagic.com (32/32) Apr 22 2012 http://d.puremagic.com/issues/show_bug.cgi?id=6141
• d-bugmail puremagic.com (10/10) Nov 09 2012 http://d.puremagic.com/issues/show_bug.cgi?id=6141
• d-bugmail puremagic.com (12/12) Nov 09 2012 http://d.puremagic.com/issues/show_bug.cgi?id=6141
• d-bugmail puremagic.com (9/9) Nov 09 2012 http://d.puremagic.com/issues/show_bug.cgi?id=6141

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6141

           Summary: Bad code with ref-foreach and closures
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: thecybershadow gmail.com



02:18:34 PDT ---
void takeADelegate(void delegate()) {}

void main()
{
    auto items = new int[1];
    items[0] = 17;
    foreach (ref item; items)
    {
        // both asserts fail
        assert(item == 17);
        assert(&item == items.ptr);

        takeADelegate({
            auto x = &item;
        });
    }
}

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6141


Vladimir Panteleev <thecybershadow gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |critical



19:00:36 PDT ---
Hit this again. Raising priority, since it causes "mysterious crashes".

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6141


Denis <verylonglogin.reg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |verylonglogin.reg gmail.com



---
Looks like the same issue:
---
void main() {
    foreach(ref val; [3]) {
        auto del = { int j = val; };
        assert(&val != null); // Assertion failure
        assert(val == 3);
    }
}
---
and
---
void f(lazy int) { }

void main() {
    int i = 0;
    auto del = { int j = i; };

    foreach(ref val; [3]) {
        f(val);
        assert(&val != null); // Assertion failure
        assert(val == 3);
    }
}
---

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6141


Kenji Hara <k.hara.pg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull



https://github.com/D-Programming-Language/dmd/pull/1272

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6141




Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/26870291ebcb9512bc3c7a3099719b3ef8596bd7
fix Issue 6141 - Bad code with ref-foreach and closures

https://github.com/D-Programming-Language/dmd/commit/8fc3e4b59bf5786accee257d301ca8de8cf8a277


Issue 8526 & 6141 - DMD 2.060 regression: anonymous delegate call in foreach
loop

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d-bugmail puremagic.com writes:

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Kenji Hara <k.hara.pg gmail.com> changed:

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


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