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* [Bug c++/58665] New: [4.9 Regression] ICE with using incomplete struct
@ 2013-10-08 21:22 reichelt at gcc dot gnu.org
2013-10-08 21:48 ` [Bug c++/58665] " paolo.carlini at oracle dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: reichelt at gcc dot gnu.org @ 2013-10-08 21:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58665
Bug ID: 58665
Summary: [4.9 Regression] ICE with using incomplete struct
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: reichelt at gcc dot gnu.org
The following invalid code snippet triggers an ICE on trunk:
============================
struct A;
template<int> struct B
{
static void foo(A) {}
};
void bar()
{
B<0>::foo(A());
}
============================
bug.cc: In static member function 'static void B<<anonymous> >::foo(A)':
bug.cc:5:19: error: '<anonymous>' has incomplete type
static void foo(A) {}
^
bug.cc:1:8: error: forward declaration of 'struct A'
struct A;
^
bug.cc: In function 'void bar()':
bug.cc:10:15: error: invalid use of incomplete type 'struct A'
B<0>::foo(A());
^
bug.cc:1:8: error: forward declaration of 'struct A'
struct A;
^
bug.cc: In instantiation of 'static void B<<anonymous> >::foo(A) [with int
<anonymous> = 0]':
bug.cc:10:9: required from here
bug.cc:5:15: internal compiler error: tree check: expected tree that contains
'decl minimal' structure, have 'error_mark' in regenerate_decl_from_template,
at cp/pt.c:18839
static void foo(A) {}
^
0xcd9947 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
../../gcc/gcc/tree.c:9348
0x5a04ff contains_struct_check
../../gcc/gcc/tree.h:2723
0x5a04ff regenerate_decl_from_template
../../gcc/gcc/cp/pt.c:18839
0x5a04ff instantiate_decl(tree_node*, int, bool)
../../gcc/gcc/cp/pt.c:19303
0x5dc53f instantiate_pending_templates(int)
../../gcc/gcc/cp/pt.c:19495
0x617966 cp_write_global_declarations()
../../gcc/gcc/cp/decl2.c:4065
Please submit a full bug report, [etc.]
The ICE appeared between 4.9.0-20131004 and 4.9.0-20131005.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/58665] [4.9 Regression] ICE with using incomplete struct
2013-10-08 21:22 [Bug c++/58665] New: [4.9 Regression] ICE with using incomplete struct reichelt at gcc dot gnu.org
@ 2013-10-08 21:48 ` paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: paolo.carlini at oracle dot com @ 2013-10-08 21:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58665
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2013-10-08
Assignee|unassigned at gcc dot gnu.org |paolo.carlini at oracle dot com
Ever confirmed|0 |1
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
I'm fixing this by reverting the fix for PR58448.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/58665] [4.9 Regression] ICE with using incomplete struct
2013-10-08 21:22 [Bug c++/58665] New: [4.9 Regression] ICE with using incomplete struct reichelt at gcc dot gnu.org
2013-10-08 21:48 ` [Bug c++/58665] " paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo.carlini at oracle dot com
@ 2013-10-08 21:54 ` paolo at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: paolo at gcc dot gnu.org @ 2013-10-08 21:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58665
--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Tue Oct 8 21:54:06 2013
New Revision: 203288
URL: http://gcc.gnu.org/viewcvs?rev=203288&root=gcc&view=rev
Log:
/cp
2013-10-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58665
Revert:
2013-10-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58448
* pt.c (tsubst): Use error_operand_p on parameter t.
/testsuite
2013-10-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58665
Revert:
2013-10-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58448
* g++.dg/template/crash117.C: New.
Removed:
trunk/gcc/testsuite/g++.dg/template/crash117.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/pt.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/58665] [4.9 Regression] ICE with using incomplete struct
2013-10-08 21:22 [Bug c++/58665] New: [4.9 Regression] ICE with using incomplete struct reichelt at gcc dot gnu.org
2013-10-08 21:48 ` [Bug c++/58665] " paolo.carlini at oracle dot com
@ 2013-10-08 21:54 ` paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: paolo.carlini at oracle dot com @ 2013-10-08 21:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58665
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |4.9.0
--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Done.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2013-10-08 21:22 [Bug c++/58665] New: [4.9 Regression] ICE with using incomplete struct reichelt at gcc dot gnu.org
2013-10-08 21:48 ` [Bug c++/58665] " paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo.carlini at oracle dot com
2013-10-08 21:54 ` paolo at gcc dot gnu.org
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