• d-bugmail puremagic.com (24/25) Jul 12 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168
• d-bugmail puremagic.com (21/21) Aug 06 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168
• d-bugmail puremagic.com (11/11) Aug 15 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168
• d-bugmail puremagic.com (8/10) Aug 15 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168
• d-bugmail puremagic.com (11/17) Aug 15 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168
• d-bugmail puremagic.com (12/12) Sep 03 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3168

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3168

           Summary: Declaring structs as incomplete types no longer works
           Product: D
           Version: 1.046
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: nfxjfg gmail.com


In dmd 1.045, you used to be able to declare structs like this:



struct FT_RasterRec;
<<

This no longer works with dmd 1.046.
The error message is:
test.d(1): Error: struct jk.FT_RasterRec has forward references

Declaring structs like this is often done in C to define incomplete types, and
is especially useful when porting C headers. Also, the new behavior in dmd
1.046 breaks old code.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3168


Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch, rejects-valid
                 CC|                            |clugdbug yahoo.com.au





Patch: Change one line in struct.c line 64. (This makes it the same as the code
in D2).
---
void AggregateDeclaration::semantic2(Scope *sc)
{
    //printf("AggregateDeclaration::semantic2(%s)\n", toChars());
-    if (scope)
+    if (scope && members)
    {    error("has forward references");
    return;
    }

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3168


Stewart Gordon <smjg iname.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |smjg iname.com





What bug reports are there already for the fact that we have a "has forward
references" error here in the code?

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3168







 What bug reports are there already for the fact that we have a "has forward
 references" error here in the code?

I don't think there are any. This is a very simple regression, caused by a
typo. It's unrelated to other forward reference errors.

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d-bugmail puremagic.com writes:

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 What bug reports are there already for the fact that we have a "has forward
 references" error here in the code?

 
 I don't think there are any. This is a very simple regression, caused by a
 typo. It's unrelated to other forward reference errors.

Maybe, but it's clearly related to at least one other cause of the same forward
reference error.  If it weren't, then any fix to this bug would cause the line

    error("has forward references");

to disappear completely.

So it's a matter of figuring out what else triggers this error.

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d-bugmail puremagic.com writes:

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Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla digitalmars.com
         Resolution|                            |FIXED





13:29:20 PDT ---
Fixed dmd 1.047

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