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* [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
@ 2010-10-21 12:56 zsojka at seznam dot cz
2010-10-21 13:44 ` [Bug c++/46117] " redi at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2010-10-21 12:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
Summary: [4.6 Regression] ICE: SIGSEGV in
add_function_candidate (call.c:1630) on invalid
typename usage
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22106
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22106
reduced testcase
Compiler output:
$ gcc pr46117.C
pr46117.C:3:15: error: expected nested-name-specifier before 'int'
pr46117.C:3:15: error: two or more data types in declaration of 'parameter'
pr46117.C:8:3: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
valgrind output:
testcase.C:3:13: error: expected nested-name-specifier before 'int'
testcase.C:3:13: error: two or more data types in declaration of 'parameter'
==24080== Invalid read of size 2
==24080== at 0x4A8823: add_function_candidate (call.c:1630)
==24080== by 0x4A58B3: add_candidates (call.c:4254)
==24080== by 0x4AB8A3: build_new_method_call (call.c:6528)
==24080== by 0x5BBB24: locate_fn_flags (method.c:826)
==24080== by 0x5BEEB5: synthesized_method_walk (method.c:1183)
==24080== by 0x5BF839: implicitly_declare_fn (method.c:1433)
==24080== by 0x5C0ACA: lazily_declare_fn (method.c:1634)
==24080== by 0x5C5354: lookup_fnfields_1 (search.c:1360)
==24080== by 0x5C8653: lookup_field_r (search.c:1032)
==24080== by 0x5C5918: dfs_walk_all (search.c:1542)
==24080== by 0x5C5A97: lookup_member (search.c:1206)
==24080== by 0x5C5CCA: lookup_fnfields (search.c:1288)
==24080== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==24080==
testcase.C:8:3: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Full backtrace is quite long, so I am posting just this reduced one
Tested revisions:
r165768 - crash
r163636 - crash
r161659 - OK
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/46117] [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
@ 2010-10-21 13:44 ` redi at gcc dot gnu.org
2010-10-21 14:01 ` paolo.carlini at oracle dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: redi at gcc dot gnu.org @ 2010-10-21 13:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2010.10.21 13:44:05
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/46117] [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
2010-10-21 13:44 ` [Bug c++/46117] " redi at gcc dot gnu.org
@ 2010-10-21 14:01 ` paolo.carlini at oracle dot com
2010-10-21 16:58 ` paolo.carlini at oracle dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: paolo.carlini at oracle dot com @ 2010-10-21 14:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |paolo.carlini at oracle dot
| |com
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-21 14:01:22 UTC ---
parmnode becomes null, and setting viable = 0 in that case too, appears to
avoid the Segmentation fault.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/46117] [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
2010-10-21 13:44 ` [Bug c++/46117] " redi at gcc dot gnu.org
2010-10-21 14:01 ` paolo.carlini at oracle dot com
@ 2010-10-21 16:58 ` paolo.carlini at oracle dot com
2010-10-21 21:52 ` paolo at gcc dot gnu.org
2010-10-21 21:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo.carlini at oracle dot com @ 2010-10-21 16:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC|paolo.carlini at oracle dot |
|com |
AssignedTo|unassigned at gcc dot |paolo.carlini at oracle dot
|gnu.org |com
--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-21 16:58:26 UTC ---
I have a patch.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/46117] [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-10-21 16:58 ` paolo.carlini at oracle dot com
@ 2010-10-21 21:52 ` paolo at gcc dot gnu.org
2010-10-21 21:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo at gcc dot gnu.org @ 2010-10-21 21:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2010-10-21 21:51:56 UTC ---
Author: paolo
Date: Thu Oct 21 21:51:50 2010
New Revision: 165794
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165794
Log:
/cp
2010-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/46117
* call.c (add_function_candidate): Don't use TREE_VALUE on null
parmnode.
/testsuite
2010-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/46117
* g++.dg/parse/crash57.C: New.
Added:
trunk/gcc/testsuite/g++.dg/parse/crash57.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/call.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/46117] [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage
2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
` (3 preceding siblings ...)
2010-10-21 21:52 ` paolo at gcc dot gnu.org
@ 2010-10-21 21:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo.carlini at oracle dot com @ 2010-10-21 21:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46117
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.6.0
--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-21 21:52:58 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2010-10-21 21:53 UTC | newest]
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2010-10-21 12:56 [Bug c++/46117] New: [4.6 Regression] ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage zsojka at seznam dot cz
2010-10-21 13:44 ` [Bug c++/46117] " redi at gcc dot gnu.org
2010-10-21 14:01 ` paolo.carlini at oracle dot com
2010-10-21 16:58 ` paolo.carlini at oracle dot com
2010-10-21 21:52 ` paolo at gcc dot gnu.org
2010-10-21 21:53 ` paolo.carlini at oracle dot com
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