--- Comment #9 from mh+gcc at glandium dot org 2010-09-15 11:45 ---
Created an attachment (id=21798)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21798action=view)
Reduced testcase
Both issues Taras mentioned are actually separated. One is an actual bug in ffi
(to be filed), the
--- Comment #10 from mh+gcc at glandium dot org 2010-09-15 11:53 ---
Please note this actually only happens on x86. (I would change the summary and
target if I could)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #11 from mh+gcc at glandium dot org 2010-09-15 12:05 ---
Created an attachment (id=21799)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21799action=view)
Reduced testcase
Inlining JSVAL_TO_PRIVATE by hand still makes it break, and reduces the
testcase further.
--
--- Comment #12 from mh+gcc at glandium dot org 2010-09-15 12:11 ---
FWIW, it's still broken on a gcc trunk snapshot from the 28th of august.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #13 from rguenth at gcc dot gnu dot org 2010-09-15 12:16
---
Confirmed and investigating.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #1 from dwitte at mozilla dot com 2010-09-09 22:03 ---
FWIW our libffi is basically libffi git head: http://github.com/atgreen/libffi
Which is regularly synced to gcc libffi.
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dwitte at mozilla dot com changed:
What|Removed |Added
--- Comment #2 from pinskia at gcc dot gnu dot org 2010-09-09 22:17 ---
There have been no ABI changes in 4.5 that I know of for PowerPC64 or even
differences between the trunk and 4.5.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #3 from hjl dot tools at gmail dot com 2010-09-10 00:38 ---
Mozilla bugs say Platform: x86 Linux. But gcc bug says
powerpc64-*-linux. What is going on?
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hjl dot tools at gmail dot com changed:
What|Removed |Added
--- Comment #4 from dwitte at mozilla dot com 2010-09-10 00:46 ---
This is on x86_64. (I can't change the field, though. Can someone else?)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #5 from hjl dot tools at gmail dot com 2010-09-10 00:51 ---
I am not ware any x86-64 psABI changes in gcc 4.5. Please provide
a testcase.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #6 from pinskia at gcc dot gnu dot org 2010-09-10 01:40 ---
(In reply to comment #3)
Mozilla bugs say Platform: x86 Linux. But gcc bug says
powerpc64-*-linux. What is going on?
I must have missed since I saw Linux64 I was thinking powerpc64 :). Really
there have been
--- Comment #7 from tglek at mozilla dot com 2010-09-10 02:37 ---
-fno-strict-aliasing makes no difference.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623
--- Comment #8 from hjl dot tools at gmail dot com 2010-09-10 02:56 ---
(In reply to comment #0)
See https://bugzilla.mozilla.org/show_bug.cgi?id=594611 and
https://bugzilla.mozilla.org/show_bug.cgi?id=590683
for more details. This breaks users of Firefox Sync on GCC 4.5.
The bug
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