http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #28 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-04 06:32:26 UTC ---
With the patch in comment #26 on top of revision 171916, bootstrap proceeded up
to pr48403.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #29 from Richard Henderson rth at gcc dot gnu.org 2011-04-04
22:13:58 UTC ---
Author: rth
Date: Mon Apr 4 22:13:54 2011
New Revision: 171955
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=171955
Log:
PR 48400
* dwarf2out.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Status|WAITING |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Iain Sandoe iains at gcc dot gnu.org changed:
What|Removed |Added
CC||peter at pogma dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Priority|P3 |P4
Target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #21 from Iain Sandoe iains at gcc dot gnu.org 2011-04-03 11:43:30
UTC ---
(In reply to comment #19)
on i686-darwin9
the bootstrap still fails with the bus err.
What are the changes *after* the second patch? The first two hunks
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Attachment #23855|0 |1
is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #23 from Richard Henderson rth at gcc dot gnu.org 2011-04-03
18:16:04 UTC ---
... and if that works, we'll see how much of the other line info
additions we can put back in. Assuming you've a modern debugger
that might be able to use
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #24 from Iain Sandoe iains at gcc dot gnu.org 2011-04-03 19:18:31
UTC ---
(In reply to comment #23)
... and if that works, we'll see how much of the other line info
additions we can put back in. Assuming you've a modern debugger
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #25 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-03 19:27:08 UTC ---
I wonder if something is un-initialized in ld64 :(
AFAICT the problem occurs for both -m64 and -m32.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Attachment #23860|0 |1
is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #27 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-03 21:52:57 UTC ---
With the patch in comment #26 on top of revision 171916, I am now at stage 2,
i.e., past the previous failures. Thanks for the perseverance;-)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #12 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-02 15:01:18 UTC ---
Well, then someone will have to debug this somehow; it really looks
like we're producing the same output before and after...
I have bootstrapped
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #13 from Iain Sandoe iains at gcc dot gnu.org 2011-04-02 15:04:05
UTC ---
Created attachment 23853
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23853
OK @ 171815
bootstrapped - and then deleted _clz*, - then
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #14 from Iain Sandoe iains at gcc dot gnu.org 2011-04-02 15:07:22
UTC ---
Created attachment 23854
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23854
171816 + patch - not working
removed i686-apple-darwin9/* ... bootstrap
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #15 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-02 16:00:46 UTC ---
AFAICT the problematic objects are only _clz_s.o and _popcount_tab_s.o.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #16 from Richard Henderson rth at gcc dot gnu.org 2011-04-02
19:25:50 UTC ---
Created attachment 23855
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23855
second proposed patch
The fault is 100% with ld. GCC is producing valid
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #17 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-02 22:59:09 UTC ---
Created attachment 23855 [details]
second proposed patch
Unfortunately it does not work either.
The fault is 100% with ld. GCC is producing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #18 from Richard Henderson rth at gcc dot gnu.org 2011-04-03
02:57:45 UTC ---
Both the first and second hunks are part of the same change.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #19 from Richard Henderson rth at gcc dot gnu.org 2011-04-03
03:06:35 UTC ---
What are the changes *after* the second patch? The first two hunks
ought to have disappeared.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #2 from Dominique d'Humieres dominiq at lps dot ens.fr 2011-04-01
16:26:30 UTC ---
Probably my changes to dwarf2out. ...
Yes, the failure appears at revision 171816.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #3 from Dominique d'Humieres dominiq at lps dot ens.fr 2011-04-01
16:54:38 UTC ---
/opt/gcc/darwin_buildw/./gcc/xgcc -B/opt/gcc/darwin_buildw/gcc/ -nodefaultlibs
-m64 _clz_s.o
is enough to trigger the bus error.
The crash report is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Iain Sandoe iains at gcc dot gnu.org changed:
What|Removed |Added
Target|powerpc-apple-darwin9 |*-apple-darwin9
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #5 from Richard Henderson rth at gcc dot gnu.org 2011-04-01
18:15:50 UTC ---
Created attachment 23847
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23847
proposed patch
Re #c2: It's good to know that Apple is just as forgiving
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #6 from Richard Henderson rth at gcc dot gnu.org 2011-04-01
20:23:04 UTC ---
Author: rth
Date: Fri Apr 1 20:23:00 2011
New Revision: 171852
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=171852
Log:
PR 48400
* dwarf2out.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Dominique d'Humieres dominiq at lps dot ens.fr changed:
What|Removed |Added
Status|RESOLVED|REOPENED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Status|REOPENED|WAITING
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #10 from Dominique d'Humieres dominiq at lps dot ens.fr
2011-04-01 22:45:52 UTC ---
Can you please try this then? ...
Sorry, but gcc still fails to bootstrap with the same error.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400
--- Comment #11 from Richard Henderson rth at gcc dot gnu.org 2011-04-02
00:45:46 UTC ---
Well, then someone will have to debug this somehow; it really looks
like we're producing the same output before and after...
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