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* [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and
@ 2007-02-20 22:28 reichelt at gcc dot gnu dot org
2007-02-20 22:29 ` [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g reichelt at gcc dot gnu dot org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: reichelt at gcc dot gnu dot org @ 2007-02-20 22:28 UTC (permalink / raw)
To: gcc-bugs
The following code snippet triggers an ICE on mainline when compiled with
"g++ -O -g":
===================
double foo()
{
union
{
int i;
double d;
};
i = 0;
return d;
}
===================
bug.cc: In function 'double foo()':
bug.cc:11: internal compiler error: in mem_loc_descriptor, at dwarf2out.c:9010
Please submit a full bug report, [etc.]
--
Summary: [4.3 regression] ICE with anonymous union and
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, monitored
Severity: normal
Priority: P3
Component: debug
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=30898
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org @ 2007-02-20 22:29 ` reichelt at gcc dot gnu dot org 2007-02-21 11:02 ` rguenth at gcc dot gnu dot org ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: reichelt at gcc dot gnu dot org @ 2007-02-20 22:29 UTC (permalink / raw) To: gcc-bugs -- reichelt at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[4.3 regression] ICE with |[4.3 regression] ICE with |anonymous union and |anonymous union and -g Target Milestone|--- |4.3.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org 2007-02-20 22:29 ` [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g reichelt at gcc dot gnu dot org @ 2007-02-21 11:02 ` rguenth at gcc dot gnu dot org 2007-02-21 11:03 ` rguenth at gcc dot gnu dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2007-02-21 11:02 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from rguenth at gcc dot gnu dot org 2007-02-21 11:02 ------- Works for me - maybe related to the fixed PR29558. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org 2007-02-20 22:29 ` [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g reichelt at gcc dot gnu dot org 2007-02-21 11:02 ` rguenth at gcc dot gnu dot org @ 2007-02-21 11:03 ` rguenth at gcc dot gnu dot org 2007-02-21 11:06 ` rguenth at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2007-02-21 11:03 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2007-02-21 11:03 ------- Confirmed. 32bits only. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 GCC target triplet| |i?86-*-* Known to work| |4.2.0 Last reconfirmed|0000-00-00 00:00:00 |2007-02-21 11:03:36 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org ` (2 preceding siblings ...) 2007-02-21 11:03 ` rguenth at gcc dot gnu dot org @ 2007-02-21 11:06 ` rguenth at gcc dot gnu dot org 2007-02-21 16:12 ` ian at airs dot com ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2007-02-21 11:06 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from rguenth at gcc dot gnu dot org 2007-02-21 11:06 ------- Another subreg lowering issue. We have #1 0x000000000078510e in mem_loc_descriptor (rtl=0x2b5aa76fc0c0, mode=DImode) at /space/rguenther/src/svn/trunk/gcc/dwarf2out.c:9010 9010 gcc_unreachable (); (gdb) call debug_rtx (rtl) (concatn/v:DI [ (reg:SI 61 [ D.2102 ]) (reg:SI 0 ax [orig:62 D.2102+4 ] [62]) ]) -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ian at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org ` (3 preceding siblings ...) 2007-02-21 11:06 ` rguenth at gcc dot gnu dot org @ 2007-02-21 16:12 ` ian at airs dot com 2007-02-22 14:55 ` ian at gcc dot gnu dot org 2007-02-22 16:00 ` ian at airs dot com 6 siblings, 0 replies; 8+ messages in thread From: ian at airs dot com @ 2007-02-21 16:12 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from ian at airs dot com 2007-02-21 16:12 ------- I'm testing a patch. -- ian at airs dot com changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |ian at airs dot com |dot org | Status|NEW |ASSIGNED Last reconfirmed|2007-02-21 11:03:36 |2007-02-21 16:12:07 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org ` (4 preceding siblings ...) 2007-02-21 16:12 ` ian at airs dot com @ 2007-02-22 14:55 ` ian at gcc dot gnu dot org 2007-02-22 16:00 ` ian at airs dot com 6 siblings, 0 replies; 8+ messages in thread From: ian at gcc dot gnu dot org @ 2007-02-22 14:55 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from ian at gcc dot gnu dot org 2007-02-22 14:55 ------- Subject: Bug 30898 Author: ian Date: Thu Feb 22 14:55:09 2007 New Revision: 122228 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122228 Log: ./: PR debug/30898 * dwarf2out.c (concatn_mem_loc_descriptor): New static function. (mem_loc_descriptor): Call it. testsuite/: * g++.dg/debug/pr30898.C: New test. Added: trunk/gcc/testsuite/g++.dg/debug/pr30898.C Modified: trunk/gcc/ChangeLog trunk/gcc/dwarf2out.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org ` (5 preceding siblings ...) 2007-02-22 14:55 ` ian at gcc dot gnu dot org @ 2007-02-22 16:00 ` ian at airs dot com 6 siblings, 0 replies; 8+ messages in thread From: ian at airs dot com @ 2007-02-22 16:00 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from ian at airs dot com 2007-02-22 16:00 ------- Fixed. -- ian at airs dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30898 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2007-02-22 16:00 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-02-20 22:28 [Bug debug/30898] New: [4.3 regression] ICE with anonymous union and reichelt at gcc dot gnu dot org 2007-02-20 22:29 ` [Bug debug/30898] [4.3 regression] ICE with anonymous union and -g reichelt at gcc dot gnu dot org 2007-02-21 11:02 ` rguenth at gcc dot gnu dot org 2007-02-21 11:03 ` rguenth at gcc dot gnu dot org 2007-02-21 11:06 ` rguenth at gcc dot gnu dot org 2007-02-21 16:12 ` ian at airs dot com 2007-02-22 14:55 ` ian at gcc dot gnu dot org 2007-02-22 16:00 ` ian at airs dot com
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