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* [Bug rtl-optimization/44012]  New: ICE: SIGSEGV in ira_merge_allocno_live_ranges
@ 2010-05-06 12:48 zsojka at seznam dot cz
  2010-05-06 13:51 ` [Bug rtl-optimization/44012] " zsojka at seznam dot cz
                   ` (14 more replies)
  0 siblings, 15 replies; 16+ messages in thread
From: zsojka at seznam dot cz @ 2010-05-06 12:48 UTC (permalink / raw)
  To: gcc-bugs

Tested revisions:
r159062 - crash
r159045 - crash
r158683 - OK

Output with valgrind:
$ valgrind --trace-children=yes -q
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/bin/g++ -O2 -fno-strict-aliasing
sqcompiler-noempty.ii
==28996== Invalid read of size 4
==28996==    at 0x801DD0: ira_merge_allocno_live_ranges (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x802FFE: remove_unnecessary_regions (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x80478C: ira_build (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x7FEE2A: rest_of_handle_ira (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x8592BB: execute_one_pass (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x859544: execute_pass_list (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x859556: execute_pass_list (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x94E5B5: tree_rest_of_compilation (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0xAD6CB5: cgraph_expand_function (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0xAD9569: cgraph_optimize (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0xAD9CE4: cgraph_finalize_compilation_unit (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==    by 0x5515EA: cp_write_global_declarations (in
/mnt/svn/gcc-trunk/binary-159062-lto-fortran/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus)
==28996==  Address 0xafafafafafafafb7 is not stack'd, malloc'd or (recently)
free'd
==28996==
sqcompiler-noempty.ii: In member function 'void SQCompiler::BitwiseOrExp()':
sqcompiler-noempty.ii:2877:2: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Testcase will be attached soon.


-- 
           Summary: ICE: SIGSEGV in ira_merge_allocno_live_ranges
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44012


^ permalink raw reply	[flat|nested] 16+ messages in thread
end of thread, other threads:[~2010-05-19 12:54 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-05-06 12:48 [Bug rtl-optimization/44012] New: ICE: SIGSEGV in ira_merge_allocno_live_ranges zsojka at seznam dot cz
2010-05-06 13:51 ` [Bug rtl-optimization/44012] " zsojka at seznam dot cz
2010-05-06 14:38 ` zsojka at seznam dot cz
2010-05-06 14:45 ` hjl dot tools at gmail dot com
2010-05-06 15:05 ` zsojka at seznam dot cz
2010-05-06 15:54 ` zsojka at seznam dot cz
2010-05-06 16:39 ` jamborm at gcc dot gnu dot org
2010-05-06 16:48 ` [Bug rtl-optimization/44012] [4.5/4.6 Regression] " zsojka at seznam dot cz
2010-05-06 18:57 ` hjl dot tools at gmail dot com
2010-05-06 21:01 ` hjl dot tools at gmail dot com
2010-05-07  0:32 ` zsojka at seznam dot cz
2010-05-07  9:46 ` rguenth at gcc dot gnu dot org
2010-05-07 17:49 ` vmakarov at redhat dot com
2010-05-10 14:03 ` hjl at gcc dot gnu dot org
2010-05-10 14:05 ` hjl at gcc dot gnu dot org
2010-05-19 12:54 ` rguenth at gcc dot gnu dot org

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