http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44699
--- Comment #18 from Richard Guenther rguenth at gcc dot gnu.org 2011-01-25
09:48:12 UTC ---
Author: rguenth
Date: Tue Jan 25 09:48:07 2011
New Revision: 169222
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=169222
Log:
2011-01-25 Richard
--- Comment #14 from iains at gcc dot gnu dot org 2010-06-30 08:39 ---
(In reply to comment #13)
@r161591 with this:
The patch in http://gcc.gnu.org/ml/gcc-patches/2010-06/msg03011.html
(and the patch to correct emit_unwind_label)
===
I no longer get the build_real fail - but this
--- Comment #15 from iains at gcc dot gnu dot org 2010-06-30 08:59 ---
(In reply to comment #14)
(In reply to comment #13)
@r161591 with this:
The patch in http://gcc.gnu.org/ml/gcc-patches/2010-06/msg03011.html
(and the patch to correct emit_unwind_label)
===
I no longer
--- Comment #16 from matz at gcc dot gnu dot org 2010-06-30 16:34 ---
Subject: Bug 44699
Author: matz
Date: Wed Jun 30 16:34:22 2010
New Revision: 161614
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=161614
Log:
PR bootstrap/44699
* tree-vrp.c (vrp_finalize):
--- Comment #17 from matz at gcc dot gnu dot org 2010-06-30 16:54 ---
Testcases are fixed. And according to
http://gcc.gnu.org/ml/gcc-patches/2010-06/msg03137.html
we can probably also assume the bootstrap fail is fixed.
--
matz at gcc dot gnu dot org changed:
What
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
OtherBugsDependingO||44592
nThis||
Target
--- Comment #3 from matz at gcc dot gnu dot org 2010-06-29 11:31 ---
Can you perhaps run the testsuite without bootstrapping
(configure --disable-bootstrap; make; make check) to see if there occurs some
more obvious bug than a miscompilation of genmodes? Debugging bootstrap
--- Comment #4 from dominiq at lps dot ens dot fr 2010-06-29 12:06 ---
On revision 161462 with the patch of revision 161496 I have located the problem
in:
static void
create_modes (void)
{
/* make_int_mode (BI, 1, 1, ../../work/gcc/machmode.def, 176); */
make_int_mode (QI, -1U, 1,
--- Comment #5 from dominiq at lps dot ens dot fr 2010-06-29 13:24 ---
Created an attachment (id=21038)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21038action=view)
reduced test
The reduced test gives an ICE:
[macbook] f90/bug% /opt/gcc/gcc4.6bw/bin/gcc -c -O2 genmodes.c
--- Comment #6 from dominiq at lps dot ens dot fr 2010-06-29 13:30 ---
The backtrace for the reduced test of comment #5 is
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0022
0x0001007c320a in execute_vrp ()
--- Comment #7 from matz at gcc dot gnu dot org 2010-06-29 13:47 ---
Is /opt/gcc/gcc4.6bw/bin/gcc a bootstrapped compiler or one created without
bootstrapping?
The initial comment didn't reveal it, so maybe my assumption that it's a
miscompiled cc1 is wrong. So, just to be crystal
--- Comment #8 from dominiq at lps dot ens dot fr 2010-06-29 14:36 ---
Is /opt/gcc/gcc4.6bw/bin/gcc a bootstrapped compiler or one created without
bootstrapping?
Sorry for the confusion. /opt/gcc/gcc4.6bw/bin/gcc was built with revision
161462 and the patch of revision 161496 (see
--- Comment #9 from matz at gcc dot gnu dot org 2010-06-29 14:48 ---
Yes, but I'm asking if it was a bootstrapped compiler (in difference to one
built with configuring with --disable-bootstrap) or not.
If it was a bootstrapped compiler, are you saying that bootstrap fails with
r161501
--- Comment #10 from dominiq at lps dot ens dot fr 2010-06-29 14:57 ---
Yes, but I'm asking if it was a bootstrapped compiler (in difference to one
built with configuring with --disable-bootstrap) or not.
If it was a bootstrapped compiler, are you saying that bootstrap fails with
--- Comment #11 from matz at gcc dot gnu dot org 2010-06-29 15:15 ---
I can reproduce now. It's also the non-bootstrapped compiler failing with
the testcase, thanks for that. I'm on it.
--
matz at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #12 from iains at gcc dot gnu dot org 2010-06-29 18:45 ---
also fails when the bootstrap compiler is gcc-4.2 (apple 4.2.1).
i688-apple-darwin9 is ok for the same trunk rev.
--
iains at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #13 from dominiq at lps dot ens dot fr 2010-06-29 22:40 ---
Created an attachment (id=21042)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21042action=view)
preprocessed tree.i
The patch in http://gcc.gnu.org/ml/gcc-patches/2010-06/msg03011.html fixes the
reported ICE
--- Comment #1 from dominiq at lps dot ens dot fr 2010-06-28 17:21 ---
Last successful bootstrap at revision 161470.
--
dominiq at lps dot ens dot fr changed:
What|Removed |Added
--- Comment #2 from dominiq at lps dot ens dot fr 2010-06-28 18:55 ---
This is caused by revision 161496:
Author: matz
Date: Mon Jun 28 15:14:31 2010 UTC (2 hours, 52 minutes ago)
Changed paths: 4
Log Message:
PR middle-end/44592
* gimple-fold.c
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