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* [Bug middle-end/49062] New: [4.7 regression] Many C++ tests ICE on Tru64 UNIX: non-DECL_ONE_ONLY node in a same_comdat_group list
@ 2011-05-19 12:29 ro at gcc dot gnu.org
2011-05-19 12:36 ` [Bug middle-end/49062] " ro at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: ro at gcc dot gnu.org @ 2011-05-19 12:29 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49062
Summary: [4.7 regression] Many C++ tests ICE on Tru64 UNIX:
non-DECL_ONE_ONLY node in a same_comdat_group list
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: ro@gcc.gnu.org
CC: hubicka@gcc.gnu.org
Host: alpha-dec-osf5.1b
Target: alpha-dec-osf5.1b
Build: alpha-dec-osf5.1b
Between 20110502 and 20110518, many C++ tests stated to ICE on Tru64 UNIX
(Alpha/ECOFF without COMDAT support), e.g.
FAIL: g++.dg/torture/covariant-1.C -O0 (internal compiler error)
FAIL: g++.dg/torture/covariant-1.C -O0 (test for excess errors)
Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/torture/covariant-1.C:33:1:
error: non-DECL_ONE_ONLY node in a same_comdat_group list
AB* AB::_ZTchn8_h8_N2AB7getThisEv()/4 @166940 (asm: _ZTchn8_h8_N2AB7getThisEv)
(same comdat group as AB* AB::_ZTch0_h8_N2AB7getThisEv()/3)
availability:available analyzed needed address_taken externally_visible
finalized asm_written
thunk of AB* AB::_ZTch0_h8_N2AB7getThisEv() (asm: _ZTch0_h8_N2AB7getThisEv)
fixed offset -8 virtual value 0 has virtual offset 0)
called by:
calls: AB* AB::_ZTch0_h8_N2AB7getThisEv()/3 (1.00 per call)
References:
Refering this function: var:int (* AB::_ZTV2AB [6])(...) (addr)
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/torture/covariant-1.C:33:1:
internal compiler error: verify_cgraph_node failed
This is almost certainly due to this patch:
2011-05-06 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_add_thunk): Create real function node instead
of alias node; finalize it and mark needed/reachale; arrange visibility
to be right and add it into the corresponding same comdat group list.
(dump_cgraph_node): Dump thunks.
Please fix.
Rainer
^ permalink raw reply [flat|nested] 4+ messages in thread
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2011-05-19 12:29 [Bug middle-end/49062] New: [4.7 regression] Many C++ tests ICE on Tru64 UNIX: non-DECL_ONE_ONLY node in a same_comdat_group list ro at gcc dot gnu.org
2011-05-19 12:36 ` [Bug middle-end/49062] " ro at gcc dot gnu.org
2011-05-25 11:04 ` ro at gcc dot gnu.org
2011-05-25 11:52 ` ro at gcc dot gnu.org
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