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* [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list
@ 2007-03-11 22:58 reichelt at gcc dot gnu dot org
2007-03-11 22:59 ` [Bug c++/31141] " reichelt at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: reichelt at gcc dot gnu dot org @ 2007-03-11 22:58 UTC (permalink / raw)
To: gcc-bugs
The following invalid code snippet triggers an ICE on mainline:
========================================
template<int N...> void foo(int x[1][N]);
void bar()
{
int x[1][1];
foo(x);
}
========================================
bug.cc:1: error: ISO C++ does not include variadic templates
bug.cc: In function 'void bar()':
bug.cc:1: internal compiler error: tree check: expected class 'expression',
have 'constant' (integer_cst) in tsubst_pack_expansion, at cp/pt.c:6829
Please submit a full bug report, [etc.]
Looks like this was caused by your patch for variadic templates, Douglas:
2007-03-09 Douglas Gregor <doug.gregor@gmail.com>
PR c++/20599
* typeck.c (check_return_expr): Check for bare parameter packs.
(comptypes): Compare template parameter packs and
type pack expansions.
...
--
Summary: [4.3 regression] ICE with ellipsis in template parameter
list
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, monitored
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/31141] [4.3 regression] ICE with ellipsis in template parameter list
2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
@ 2007-03-11 22:59 ` reichelt at gcc dot gnu dot org
2007-03-27 14:11 ` doug dot gregor at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: reichelt at gcc dot gnu dot org @ 2007-03-11 22:59 UTC (permalink / raw)
To: gcc-bugs
--
reichelt at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/31141] [4.3 regression] ICE with ellipsis in template parameter list
2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
2007-03-11 22:59 ` [Bug c++/31141] " reichelt at gcc dot gnu dot org
@ 2007-03-27 14:11 ` doug dot gregor at gmail dot com
2007-03-28 14:32 ` dgregor at gcc dot gnu dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: doug dot gregor at gmail dot com @ 2007-03-27 14:11 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from doug dot gregor at gmail dot com 2007-03-27 15:10 -------
Patch here:
http://gcc.gnu.org/ml/gcc-patches/2007-03/msg00799.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/31141] [4.3 regression] ICE with ellipsis in template parameter list
2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
2007-03-11 22:59 ` [Bug c++/31141] " reichelt at gcc dot gnu dot org
2007-03-27 14:11 ` doug dot gregor at gmail dot com
@ 2007-03-28 14:32 ` dgregor at gcc dot gnu dot org
2007-03-31 12:42 ` dgregor at gcc dot gnu dot org
2007-03-31 12:44 ` dgregor at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dgregor at gcc dot gnu dot org @ 2007-03-28 14:32 UTC (permalink / raw)
To: gcc-bugs
--
dgregor at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |dgregor at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2007-03-28 15:31:54
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/31141] [4.3 regression] ICE with ellipsis in template parameter list
2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
` (2 preceding siblings ...)
2007-03-28 14:32 ` dgregor at gcc dot gnu dot org
@ 2007-03-31 12:42 ` dgregor at gcc dot gnu dot org
2007-03-31 12:44 ` dgregor at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dgregor at gcc dot gnu dot org @ 2007-03-31 12:42 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from dgregor at gcc dot gnu dot org 2007-03-31 13:41 -------
Subject: Bug 31141
Author: dgregor
Date: Sat Mar 31 13:41:30 2007
New Revision: 123380
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123380
Log:
2007-03-31 Douglas Gregor <doug.gregor@gmail.com>
PR c++/31138
PR c++/31140
PR c++/31141
* parser.c (declarator_can_be_parameter_pack): New.
(cp_parser_template_parameter): Only parse the `...' if the
declarator can be a parameter pack.
(cp_parser_parameter_declaration): Ditto. Also, handle when TYPE
is NULL.
* pt.c (find_parameter_packs_r): Look into the bounds on integer
types (they could be used as array bounds).
(check_for_bare_parameter_packs): Deal with TEMPLATE_PARM_INDEX.
(tsubst_pack_expansion): Handle failure to expand parameter
packs.
2007-03-31 Douglas Gregor <doug.gregor@gmail.com>
* g++.dg/parser/pr31138.C: New.
* g++.dg/parser/pr31140.C: New.
* g++.dg/parser/pr31141.C: New.
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/parser.c
trunk/gcc/cp/pt.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/31141] [4.3 regression] ICE with ellipsis in template parameter list
2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
` (3 preceding siblings ...)
2007-03-31 12:42 ` dgregor at gcc dot gnu dot org
@ 2007-03-31 12:44 ` dgregor at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dgregor at gcc dot gnu dot org @ 2007-03-31 12:44 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from dgregor at gcc dot gnu dot org 2007-03-31 13:44 -------
Fixed in mainline compiler
--
dgregor at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31141
^ permalink raw reply [flat|nested] 6+ messages in thread
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2007-03-11 22:58 [Bug c++/31141] New: [4.3 regression] ICE with ellipsis in template parameter list reichelt at gcc dot gnu dot org
2007-03-11 22:59 ` [Bug c++/31141] " reichelt at gcc dot gnu dot org
2007-03-27 14:11 ` doug dot gregor at gmail dot com
2007-03-28 14:32 ` dgregor at gcc dot gnu dot org
2007-03-31 12:42 ` dgregor at gcc dot gnu dot org
2007-03-31 12:44 ` dgregor at gcc dot gnu dot org
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