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digitalmars.D.bugs - [Issue 3692] New: Compiler with associative arrays when std.variant is imported

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           Summary: Compiler with associative arrays when std.variant is
                    imported
           Product: D
           Version: 2.038
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: lmb stackedboxes.org


--- Comment #0 from Leandro Motta Barros <lmb stackedboxes.org> 2010-01-08
12:35:25 PST ---
First, I am using DMD 2.039, for which there is no entry on the "Version"
field. Anyway, I firstly bumped into this when using DMD 2.037.

So, when compiling this code:

import std.variant;

void main()
{
   bool[int] a;
   auto x = a.keys[0];
}

The compiler crashes saying:

        deferring sigaction_t
dmd: mtype.c:3882: StructDeclaration* TypeAArray::getImpl(): Assertion `impl'
failed.

---

Removing the 'import std.variant;' statement solves the problem.

Replacing the 'bool[int]' with 'int[int]' (and still importing std.variant)
makes the compiler say:

        deferring sigaction_t

But it still generates the executable, which seems to work as expected (that
is, throwing a "Range Violation").

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Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |clugdbug yahoo.com.au
         Resolution|                            |DUPLICATE


--- Comment #1 from Don <clugdbug yahoo.com.au> 2010-01-08 22:01:28 PST ---
*** This issue has been marked as a duplicate of issue 3552 ***

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Leandro Motta Barros <lmb stackedboxes.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
            Version|2.038                       |2.040
         Resolution|DUPLICATE                   |


--- Comment #2 from Leandro Motta Barros <lmb stackedboxes.org> 2010-02-05
04:18:36 PST ---
This bug has been marked as duplicate of issue 3552, so it should supposedly be
fixed in DMD 2.040. Unfortunately, it was not. Using DMD 2.040 to compile the
same code as before:

import std.variant;

void main()
{
   bool[int] a;
   auto x = a.keys[0];
}

I get the same compiler crash as before:

dmd: mtype.c:3886: StructDeclaration* TypeAArray::getImpl(): Assertion `impl'
failed.

So, unless I'm doing something very wrong here, I suppose this bug still
persists.

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--- Comment #3 from Leandro Motta Barros <lmb stackedboxes.org> 2010-02-05
04:42:50 PST ---
Just one additional detail:

In the program where I noticed this problem for the first time, as suggested by
others, I worked around the bug by using a copy of std.variant.d with all the
occurrences of "AssociativeArray" replaced with something else.

I tried going back to std.variant in my program, and the crash was still there.
In other words, it seems that the bug still has something to do with
identifiers named "AssociativeArray".


(That said, this code:

void main()
{    
    int AssociativeArray;        
    int[int] foo;    
    foreach (x; foo)    {    }
}

which I took from issue 3552, compiles cleanly here, which seems to indicate
that I am *really* running DMD 2.040 here ;-))

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--- Comment #4 from Don <clugdbug yahoo.com.au> 2010-02-05 06:23:12 PST ---
(In reply to comment #3)
 Just one additional detail:
 
 In the program where I noticed this problem for the first time, as suggested by
 others, I worked around the bug by using a copy of std.variant.d with all the
 occurrences of "AssociativeArray" replaced with something else.
 
 I tried going back to std.variant in my program, and the crash was still there.
 In other words, it seems that the bug still has something to do with
 identifiers named "AssociativeArray".
Yes. Reduced test case: --------- import file2; void main() { bool[int] a; auto x = a.keys[0]; } ------- file2: -------- int AssociativeArray; ------------------------------ Basically my patch fixed the specific case of bug 3552 but failed in the general case. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
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Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code, patch
           Severity|normal                      |regression


--- Comment #5 from Don <clugdbug yahoo.com.au> 2010-02-05 06:40:24 PST ---
PATCH: mtype.c line 3870

-        // Create .AssociativeArray!(index, next)
+        // Create object.AssociativeArray!(index, next)
        DotTemplateInstanceExp *dti = new DotTemplateInstanceExp(loc,
-            new IdentifierExp(loc, Id::empty),
+            new IdentifierExp(loc, Id::object),
            Id::AssociativeArray,
            tiargs);

Or possibly it should be .object.AssociativeArray

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Walter Bright <bugzilla digitalmars.com> changed:

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


--- Comment #6 from Walter Bright <bugzilla digitalmars.com> 2010-02-11
22:25:50 PST ---
Changeset 377

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Kosmonaut <Kosmonaut tempinbox.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |Kosmonaut tempinbox.com


--- Comment #7 from Kosmonaut <Kosmonaut tempinbox.com> 2010-02-12 11:43:50 PST
---
(In reply to comment #6)
 Changeset 377
http://www.dsource.org/projects/dmd/changeset/377 -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
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Walter Bright <bugzilla digitalmars.com> changed:

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


--- Comment #8 from Walter Bright <bugzilla digitalmars.com> 2010-03-08
22:27:23 PST ---
Fixed dmd 2.041

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