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* [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates
@ 2012-04-10 8:38 rguenth at gcc dot gnu.org
2012-04-10 8:38 ` [Bug middle-end/52925] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-04-10 8:38 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925
Bug #: 52925
Summary: [4.5/4.6 Regression] var-tracking never terminates
Classification: Unclassified
Product: gcc
Version: 4.6.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: rguenth@gcc.gnu.org
gcc -O2 -g -S bug-756235_t.c
hangs forever in
#0 0x0000000001176db4 in htab_mod_1 (x=99, y=59, inv=363980280, shift=5)
at /space/rguenther/src/svn/gcc-4_6-branch/libiberty/hashtab.c:257
#1 0x0000000001176e50 in htab_mod_m2 (hash=99, htab=0x1a79900)
at /space/rguenther/src/svn/gcc-4_6-branch/libiberty/hashtab.c:282
#2 0x00000000011779b3 in htab_find_slot_with_hash (htab=0x1a79900,
element=0x1b77fb0, hash=99, insert=INSERT)
at /space/rguenther/src/svn/gcc-4_6-branch/libiberty/hashtab.c:671
#3 0x0000000000c93ad7 in vars_copy (dst=0x1a79900, src=0x1a7a850)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:1601
#4 0x0000000000c9344b in shared_hash_unshare (vars=0x1a948e8)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:1404
#5 0x0000000000c93520 in shared_hash_find_slot_unshare_1 (pvars=0x1bd6748,
dv=0x1b77cb0, dvhash=67, ins=INSERT)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:1440
#6 0x0000000000c9357e in shared_hash_find_slot_unshare (pvars=0x1bd6748,
dv=0x1b77cb0, ins=INSERT)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:1448
#7 0x0000000000ca22fb in set_variable_part (set=0x1bd6598,
loc=0x7ffff5bc9528, dv=0x1b77cb0, offset=0,
initialized=VAR_INIT_STATUS_INITIALIZED, set_src=0x0, iopt=INSERT)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:6730
#8 0x0000000000c947c9 in val_store (set=0x1bd6598, val=0x1b77cb0,
loc=0x7ffff5bc9528, insn=0x7ffff504f870, modified=0 '\000')
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:1889
#9 0x0000000000c9f7b3 in compute_bb_dataflow (bb=0x7ffff4209dd0)
at /space/rguenther/src/svn/gcc-4_6-branch/gcc/var-tracking.c:5824
#10 0x0000000000ca08ab in vt_find_locations ()
with no progress. Maybe works in 4.7 by luck.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug middle-end/52925] [4.5/4.6 Regression] var-tracking never terminates 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org @ 2012-04-10 8:38 ` rguenth at gcc dot gnu.org 2012-04-10 8:40 ` rguenth at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-04-10 8:38 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |4.3.6 Target Milestone|--- |4.5.4 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/52925] [4.5/4.6 Regression] var-tracking never terminates 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org 2012-04-10 8:38 ` [Bug middle-end/52925] " rguenth at gcc dot gnu.org @ 2012-04-10 8:40 ` rguenth at gcc dot gnu.org 2012-04-10 10:53 ` bart.vanassche at gmail dot com ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-04-10 8:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-10 08:40:29 UTC --- Created attachment 27124 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27124 preprocessed source ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/52925] [4.5/4.6 Regression] var-tracking never terminates 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org 2012-04-10 8:38 ` [Bug middle-end/52925] " rguenth at gcc dot gnu.org 2012-04-10 8:40 ` rguenth at gcc dot gnu.org @ 2012-04-10 10:53 ` bart.vanassche at gmail dot com 2012-07-02 11:26 ` rguenth at gcc dot gnu.org 2013-04-12 16:17 ` [Bug middle-end/52925] [4.6 " jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: bart.vanassche at gmail dot com @ 2012-04-10 10:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925 Bart Van Assche <bart.vanassche at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bart.vanassche at gmail dot | |com --- Comment #2 from Bart Van Assche <bart.vanassche at gmail dot com> 2012-04-10 10:52:49 UTC --- I ran into this issue too - see also http://bugzilla.novell.com/show_bug.cgi?id=756235. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/52925] [4.5/4.6 Regression] var-tracking never terminates 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org ` (2 preceding siblings ...) 2012-04-10 10:53 ` bart.vanassche at gmail dot com @ 2012-07-02 11:26 ` rguenth at gcc dot gnu.org 2013-04-12 16:17 ` [Bug middle-end/52925] [4.6 " jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-07-02 11:26 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|4.5.4 |4.6.4 --- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-02 11:25:42 UTC --- The 4.5 branch is being closed, adjusting target milestone. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/52925] [4.6 Regression] var-tracking never terminates 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org ` (3 preceding siblings ...) 2012-07-02 11:26 ` rguenth at gcc dot gnu.org @ 2013-04-12 16:17 ` jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2013-04-12 16:17 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52925 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED Target Milestone|4.6.4 |4.7.0 --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-12 16:17:43 UTC --- The 4.6 branch has been closed, fixed in GCC 4.7.0. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-04-12 16:17 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-04-10 8:38 [Bug middle-end/52925] New: [4.5/4.6 Regression] var-tracking never terminates rguenth at gcc dot gnu.org 2012-04-10 8:38 ` [Bug middle-end/52925] " rguenth at gcc dot gnu.org 2012-04-10 8:40 ` rguenth at gcc dot gnu.org 2012-04-10 10:53 ` bart.vanassche at gmail dot com 2012-07-02 11:26 ` rguenth at gcc dot gnu.org 2013-04-12 16:17 ` [Bug middle-end/52925] [4.6 " jakub at gcc dot gnu.org
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