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* [Bug lto/47162] New: [4.6 Regression] LTO is broken
@ 2011-01-04 2:06 hjl.tools at gmail dot com
2011-01-04 5:52 ` [Bug lto/47162] " hjl.tools at gmail dot com
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: hjl.tools at gmail dot com @ 2011-01-04 2:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
Summary: [4.6 Regression] LTO is broken
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: hjl.tools@gmail.com
On Linux/x86-64, revision168439 gave:
/export/gnu/import/svn/gcc-test/bld/./prev-gcc/xgcc
-B/export/gnu/import/svn/gcc-test/bld/./prev-gcc/
-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem
/usr/local/x86_64-unknown-linux-gnu/include -isystem
/usr/local/x86_64-unknown-linux-gnu/sys-include -g -O2 -flto=jobserver
-fuse-linker-plugin -frandom-seed=1 -DIN_GCC -W -Wall -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror
-Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H
-DGENERATOR_FILE -static-libstdc++ -static-libgcc -o build/genconstants \
build/genconstants.o build/read-md.o build/errors.o
.././libiberty/libiberty.a
lto1: internal compiler error: bytecode stream: trying to read 0 bytes after
the end of the input buffer
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[7]: *** [/tmp/cc7rbITJ.ltrans0.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/x86_64-unknown-linux-gnu/bin/ld: lto-wrapper failed
collect2: ld returned 1 exit status
make[6]: *** [build/genconstants] Error 1
make[6]: *** Waiting for unfinished jobs....
lto1: internal compiler error: bytecode stream: expected tag tree_list instead
of LTO_UNKNOWN
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[7]: *** [/tmp/cc2SG2hC.ltrans2.ltrans.o] Error 1
make[7]: *** Waiting for unfinished jobs....
lto-wrapper: make returned 2 exit status
/usr/local/x86_64-unknown-linux-gnu/bin/ld: lto-wrapper failed
collect2: ld returned 1 exit status
make[6]: *** [build/genenums] Error 1
rm gcj-dbtool.pod jcf-dump.pod jv-convert.pod grmic.pod gcj.pod gc-analyze.pod
cpp.pod gfdl.pod gij.pod gcc.pod gcov.pod gfortran.pod fsf-funding.pod
make[6]: Leaving directory `/export/gnu/import/svn/gcc-test/bld/gcc'
make[5]: *** [all-stage2-gcc] Error 2
make[5]: Leaving directory `/export/gnu/import/svn/gcc-test/bld'
make[4]: *** [stage2-bubble] Error 2
make[4]: Leaving directory `/export/gnu/import/svn/gcc-test/bld'
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory `/export/gnu/import/svn/gcc-test/bld'
and benchspec/CINT2000/176.gcc/run/00000001/make.err:
lto1: internal compiler error: bytecode stream: trying to read 0 bytes after
the end of the input buffer
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [/tmp/ccWt9u22.ltrans4.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: ld returned 1 exit status
Revision 168415 is OK.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
@ 2011-01-04 5:52 ` hjl.tools at gmail dot com
2011-01-04 9:57 ` jamborm at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: hjl.tools at gmail dot com @ 2011-01-04 5:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mjambor at suse dot cz
Target Milestone|--- |4.6.0
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-04 05:51:48 UTC ---
It is caused by revision 168420:
http://gcc.gnu.org/ml/gcc-cvs/2011-01/msg00036.html
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
2011-01-04 5:52 ` [Bug lto/47162] " hjl.tools at gmail dot com
@ 2011-01-04 9:57 ` jamborm at gcc dot gnu.org
2011-01-04 10:13 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jamborm at gcc dot gnu.org @ 2011-01-04 9:57 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011.01.04 09:57:00
CC| |jamborm at gcc dot gnu.org
AssignedTo|unassigned at gcc dot |jamborm at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-01-04 09:57:00 UTC ---
I can reproduce the failure, let me try to fix it.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
2011-01-04 5:52 ` [Bug lto/47162] " hjl.tools at gmail dot com
2011-01-04 9:57 ` jamborm at gcc dot gnu.org
@ 2011-01-04 10:13 ` rguenth at gcc dot gnu.org
2011-01-04 13:38 ` hjl.tools at gmail dot com
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-01-04 10:13 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
` (2 preceding siblings ...)
2011-01-04 10:13 ` rguenth at gcc dot gnu.org
@ 2011-01-04 13:38 ` hjl.tools at gmail dot com
2011-01-04 13:49 ` jamborm at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: hjl.tools at gmail dot com @ 2011-01-04 13:38 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P1 |P3
Status|ASSIGNED |NEW
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-04 13:38:05 UTC ---
The easiest way to reproduce is to configure gcc with
--enable-languages=c --with-build-config=bootstrap-lto
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
` (3 preceding siblings ...)
2011-01-04 13:38 ` hjl.tools at gmail dot com
@ 2011-01-04 13:49 ` jamborm at gcc dot gnu.org
2011-01-04 18:49 ` jamborm at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jamborm at gcc dot gnu.org @ 2011-01-04 13:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
Status|NEW |ASSIGNED
--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-01-04 13:49:12 UTC ---
Restoring the bug status and priority which I believe were inadvertently
modified with the previous comment.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
` (4 preceding siblings ...)
2011-01-04 13:49 ` jamborm at gcc dot gnu.org
@ 2011-01-04 18:49 ` jamborm at gcc dot gnu.org
2011-01-05 14:59 ` hjl at gcc dot gnu.org
2011-01-05 16:09 ` jamborm at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jamborm at gcc dot gnu.org @ 2011-01-04 18:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-01-04 18:49:33 UTC ---
Proposed fix posted to the mailing list:
http://gcc.gnu.org/ml/gcc-patches/2011-01/msg00161.html
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
` (5 preceding siblings ...)
2011-01-04 18:49 ` jamborm at gcc dot gnu.org
@ 2011-01-05 14:59 ` hjl at gcc dot gnu.org
2011-01-05 16:09 ` jamborm at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: hjl at gcc dot gnu.org @ 2011-01-05 14:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
--- Comment #6 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2011-01-05 14:55:32 UTC ---
Author: hjl
Date: Wed Jan 5 14:55:27 2011
New Revision: 168515
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168515
Log:
Fix PR lto/47162.
2011-01-05 Martin Jambor <mjambor@suse.cz>
PR lto/47162
* lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
deltas on streamed outgoing edges.
(output_node_opt_summary): Output info for outgoing edges only when
the node is in new parameter set.
(output_cgraph_opt_summary): New parameter set, passed to the two
aforementioned functions. Update its forward declaration and its
callee too.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lto-cgraph.c
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug lto/47162] [4.6 Regression] LTO is broken
2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
` (6 preceding siblings ...)
2011-01-05 14:59 ` hjl at gcc dot gnu.org
@ 2011-01-05 16:09 ` jamborm at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jamborm at gcc dot gnu.org @ 2011-01-05 16:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47162
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-01-05 15:39:41 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 9+ messages in thread
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2011-01-04 2:06 [Bug lto/47162] New: [4.6 Regression] LTO is broken hjl.tools at gmail dot com
2011-01-04 5:52 ` [Bug lto/47162] " hjl.tools at gmail dot com
2011-01-04 9:57 ` jamborm at gcc dot gnu.org
2011-01-04 10:13 ` rguenth at gcc dot gnu.org
2011-01-04 13:38 ` hjl.tools at gmail dot com
2011-01-04 13:49 ` jamborm at gcc dot gnu.org
2011-01-04 18:49 ` jamborm at gcc dot gnu.org
2011-01-05 14:59 ` hjl at gcc dot gnu.org
2011-01-05 16:09 ` jamborm at gcc dot gnu.org
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