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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] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 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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