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* [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse
@ 2010-09-04 12:23 rearnsha at gcc dot gnu dot org
2010-09-04 12:24 ` [Bug tree-optimization/45535] " rearnsha at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: rearnsha at gcc dot gnu dot org @ 2010-09-04 12:23 UTC (permalink / raw)
To: gcc-bugs
The attached testcase generates a segfault during alias analysis run as part of
the DSE pass.
Command line options:
/scratch/rearnsha/gnu/gcc-eabi/git/gcc/cc1 -quiet -nostdinc -v -I
/scratch/rearnsha/gnu/gcc-eabi/git/git-vfp-eabi-O3/linux-2.4.23-pre3-testplatform/include
-I . -imultilib fpu -iprefix
/scratch/rearnsha/gnu/gcc-eabi/git/gcc/../lib/gcc/arm-eabi/4.6.0/ -isystem
/scratch/rearnsha/gnu/gcc-eabi/git/gcc/include -isystem
/scratch/rearnsha/gnu/gcc-eabi/git/gcc/include-fixed -D__USES_INITFINI__ -D
__linux__ -D __KERNEL__ -D CONFIG_ARCH_S390X -D CONFIG_ARCH_S390 -U __i386__ -U
__x86_64__ -D KBUILD_BASENAME=memory -isystem
/scratch/rearnsha/gnu/testinstall/arm-eabi/sys-include -iwithprefix include
-quiet -dumpbase memory.c -mcpu=arm1136jf-s -marm -mfpu=vfp -mfloat-abi=hard
-auxbase-strip memory.o -O3 -w -version -fno-short-enums -fno-strict-aliasing
-fno-common -fomit-frame-pointer besttry.c
Testcase is from CSiBE.
--
Summary: [4.6 regression] ICE during tree_ssa_dse
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rearnsha at gcc dot gnu dot org
GCC target triplet: arm-eabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org @ 2010-09-04 12:24 ` rearnsha at gcc dot gnu dot org 2010-09-04 13:41 ` rearnsha at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rearnsha at gcc dot gnu dot org @ 2010-09-04 12:24 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from rearnsha at gcc dot gnu dot org 2010-09-04 12:24 ------- Created an attachment (id=21694) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21694&action=view) testcase -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org 2010-09-04 12:24 ` [Bug tree-optimization/45535] " rearnsha at gcc dot gnu dot org @ 2010-09-04 13:41 ` rearnsha at gcc dot gnu dot org 2010-09-04 14:13 ` rguenth at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rearnsha at gcc dot gnu dot org @ 2010-09-04 13:41 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rearnsha at gcc dot gnu dot org 2010-09-04 13:40 ------- caused by svn+ssh://gcc.gnu.org/svn/gcc/trunk@163802 -- rearnsha at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org 2010-09-04 12:24 ` [Bug tree-optimization/45535] " rearnsha at gcc dot gnu dot org 2010-09-04 13:41 ` rearnsha at gcc dot gnu dot org @ 2010-09-04 14:13 ` rguenth at gcc dot gnu dot org 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-09-04 14:13 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from rguenth at gcc dot gnu dot org 2010-09-04 14:12 ------- I will have a look (seems I need to build a cross ...) -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot |dot org |org Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-09-04 14:12:56 date| | Target Milestone|--- |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org ` (2 preceding siblings ...) 2010-09-04 14:13 ` rguenth at gcc dot gnu dot org @ 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-09-05 10:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from rguenth at gcc dot gnu dot org 2010-09-05 10:47 ------- Subject: Bug 45535 Author: rguenth Date: Sun Sep 5 10:47:05 2010 New Revision: 163877 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163877 Log: 2010-09-05 Richard Guenther <rguenther@suse.de> PR tree-optimization/45535 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly handle TMR_INDEX2. Make sure TMR_INDEX is not NULL before dereferencing it. (indirect_refs_may_alias_p): Likewise. * gcc.c-torture/compile/pr45535.c: New testcase. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr45535.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-alias.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org ` (3 preceding siblings ...) 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org @ 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-09-05 10:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from rguenth at gcc dot gnu dot org 2010-09-05 10:47 ------- Fixed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2010-09-05 10:47 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-09-04 12:23 [Bug tree-optimization/45535] New: [4.6 regression] ICE during tree_ssa_dse rearnsha at gcc dot gnu dot org 2010-09-04 12:24 ` [Bug tree-optimization/45535] " rearnsha at gcc dot gnu dot org 2010-09-04 13:41 ` rearnsha at gcc dot gnu dot org 2010-09-04 14:13 ` rguenth at gcc dot gnu dot org 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org 2010-09-05 10:47 ` rguenth at gcc dot gnu dot org
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