[Bug middle-end/41925] New: ICE in get_alias_set, at alias.c:710

[Bug middle-end/41925] New: ICE in get_alias_set, at alias.c:710

[rguenth at gcc dot gnu dot org]

> ./xgcc -B. -w -m32 -c -flto -O2 usrmarshal.min.i ole32_objidl_p.min.i defaulthandler.min.i clipboard.min.i
> ./lto1 -quiet -o /dev/null -m32 -O2 -w clipboard.min.o defaulthandler.min.o ole32_objidl_p.min.o usrmarshal.min.o
In file included from clipboard.min.i:153:0,
                 from :0:
defaulthandler.min.i: In function 'DefaultHandler_EnumDAdvise':
defaulthandler.min.i:95:35: internal compiler error: in get_alias_set, at
alias.c:710
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ICE in get_alias_set, at alias.c:710
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: lto
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2009-11-03 15:54 -------
Created an attachment (id=18957)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18957&action=view)
testcase

Auto-reduced testcase.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[marcus at jet dot franken dot de]

------- Comment #2 from marcus at jet dot franken dot de  2009-11-03 23:49 -------
order of files seems important even


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[regehr at cs dot utah dot edu]

------- Comment #3 from regehr at cs dot utah dot edu  2009-12-31 19:48 -------
See below an extremely small testcase triggering this crash in r155538.

regehr@john-home:~/volatile/bugs/tmp250$ current-gcc -Os -c small.c
small.c:2:1: internal compiler error: in get_alias_set, at alias.c:710
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

regehr@john-home:~/volatile/bugs/tmp250$ current-gcc -v

Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/home/regehr/z/tmp/gcc-r155538-install/libexec/gcc/i686-pc-linux-gnu/4.5.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/tmp/gcc-r155538-install --program-prefix=r155538-
--enable-languages=c,c++
Thread model: posix
gcc version 4.5.0 20091231 (experimental) (GCC) 

regehr@john-home:~/volatile/bugs/tmp250$ cat small.c

typedef unsigned char uint8_t;
uint8_t foo[1000][0];


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[hjl dot tools at gmail dot com]

------- Comment #4 from hjl dot tools at gmail dot com  2009-12-31 23:19 -------
It is caused by revision 150695:

http://gcc.gnu.org/ml/gcc-cvs/2009-08/msg00375.html


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hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-12-31 23:19:23
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2010-01-01 13:43 -------
But it's a different bug.  PR42570.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925

[Bug middle-end/41925] ICE in get_alias_set, at alias.c:710

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2010-04-23 15:44 -------
The testcase no longer fails :/


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41925