[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[phython at gcc dot gnu dot org]

------- Comment #10 from phython at gcc dot gnu dot org  2005-10-11 06:41 -------
Created an attachment (id=9962)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9962&action=view)
treat nonmember static functions like inline functions


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[phython at gcc dot gnu dot org]

------- Comment #11 from phython at gcc dot gnu dot org  2005-10-11 06:42 -------
Created an attachment (id=9963)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9963&action=view)
testcase

This patch also changes the error in:
static void f();
void g() { f(); }
into a warning.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[jason at gcc dot gnu dot org]

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jason at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jason at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-07-12 06:35:36         |2005-10-29 01:50:21
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[mmitchel at gcc dot gnu dot org]

------- Comment #12 from mmitchel at gcc dot gnu dot org  2005-10-30 22:51 -------
Leaving as P2; we should try to fix this, but it's not a showstopper.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[janis at gcc dot gnu dot org]

------- Comment #13 from janis at gcc dot gnu dot org  2005-11-03 22:12 -------
A regression hunt showed that "warning: inline function `void f1()' used
but never defined" disappeared with this patch to make the C++ front end
always work in unit-at-a-time mode:

r85309 | mmitchel | 2004-07-29 17:59:31 +0000 (Thu, 29 Jul 2004) | 124 lines
http://gcc.gnu.org/viewcvs?view=rev&rev=85309

Sometime in 2004-09-09 - 2004-09-24 it got "error: 'void f1()' used but
never defined", which went away sometime in 2004-10-08 - 2004-10-27.  I can
run regression hunts on either or both of those if the information would be
useful.

The patch in comment #10 has never been submitted, so this PR doesn't have
the "patch" keyword.


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janis at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mmitchel at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0/4.1 Regression] undefined but used static or inline functions should be diagnosed

[jason at gcc dot gnu dot org]

------- Comment #14 from jason at gcc dot gnu dot org  2005-11-07 06:17 -------
Subject: Bug 17256

Author: jason
Date: Mon Nov  7 06:17:47 2005
New Revision: 106581

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=106581
Log:
        PR c++/17256
        * decl2.c (cp_finish_file): Fix conditions for undefined warning.
        Set TREE_NO_WARNING instead of TREE_PUBLIC.
        * pt.c (instantiate_pending_templates): Set DECL_INITIAL to avoid
        a warning on a function we didn't instantiate because of excessive
        recursion.

Added:
    trunk/gcc/testsuite/g++.dg/warn/undefined1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/pt.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0 Regression] undefined but used static or inline functions should be diagnosed

[pinskia at gcc dot gnu dot org]

------- Comment #15 from pinskia at gcc dot gnu dot org  2005-11-07 13:17 -------
Fixed at least on the mainline.


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pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|3.3.4 3.4.0 4.0.0 4.1.0     |3.3.4 3.4.0 4.0.0
      Known to work|2.95.3                      |2.95.3 4.1.0
            Summary|[3.4/4.0/4.1 Regression]    |[3.4/4.0 Regression]
                   |undefined but used static or|undefined but used static or
                   |inline functions should be  |inline functions should be
                   |diagnosed                   |diagnosed


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256

[Bug c++/17256] [3.4/4.0 Regression] undefined but used static or inline functions should be diagnosed

[jason at gcc dot gnu dot org]

------- Comment #16 from jason at gcc dot gnu dot org  2005-11-10 18:32 -------
The patch breaks the 4.0 branch compiler, and I don't think this is a serious
enough bug to put more work into coming up with a different fix for older
releases.


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jason at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17256