• d-bugmail puremagic.com (35/35) Jan 05 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3679
• d-bugmail puremagic.com (10/10) Jan 24 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3679
• d-bugmail puremagic.com (28/28) Jan 25 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3679
• d-bugmail puremagic.com (12/12) Jul 27 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3679
• d-bugmail puremagic.com (12/12) Aug 08 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3679

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3679

           Summary: template forward reference regression
           Product: D
           Version: 2.032
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: 2korden gmail.com



---
Test case:

module test;

public class Derived : public Base
{
}

class Template(T)
{
}

alias Template!(bool) TemplateAlias;

class Base
{
    TemplateAlias templateAlias;
}


test.d(13): Error: forward reference to 'Template!(bool)'
test.d(13): Error: TemplateAlias is used as a type
test.d(13): Error: variable test.Base.templateAlias voids have no value

Regression since DMD2.031, blocker for me to upgrate to a newer compiler
version.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3679


Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|2.032                       |1.047



This is also a D1 regression. It worked on 1.046, fails on 1.047 and later.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3679




The regression was caused by adding a couple of lines to
ClassDeclaration::semantic(Scope *sc) in class.c in D1.047.
I think this was probably part of the fix for bug 3170.

Currently line 350 in the D1 source, commenting out the two lines marked '-'
allows this test case to compile again. I think the bug lies elsewhere,
however.

=========


        if (!tc->sym->symtab || tc->sym->scope || tc->sym->sizeok == 0)
        {
            //printf("%s: forward reference of base class %s\n", toChars(),
tc->sym->toChars());
            //error("forward reference of base class %s",
baseClass->toChars());
            // Forward reference of base class, try again later
            //printf("\ttry later, forward reference of base class %s\n",
tc->sym->toChars());
            scope = scx ? scx : new Scope(*sc);
            scope->setNoFree();
-            if (tc->sym->scope)
-                tc->sym->scope->module->addDeferredSemantic(tc->sym);
            scope->module->addDeferredSemantic(this);
            return;
        }

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3679


Trass3r <mrmocool gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mrmocool gmx.de
         Depends on|                            |4503



The patch for http://d.puremagic.com/issues/show_bug.cgi?id=4503 also seems to
fix this one.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3679


Walter Bright <bugzilla digitalmars.com> changed:

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



21:35:10 PDT ---
Fixed with 4503

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