public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one)
@ 2004-09-22 23:08 steven at gcc dot gnu dot org
  2004-09-22 23:09 ` [Bug tree-optimization/17624] " steven at gcc dot gnu dot org
                   ` (12 more replies)
  0 siblings, 13 replies; 14+ messages in thread
From: steven at gcc dot gnu dot org @ 2004-09-22 23:08 UTC (permalink / raw)
  To: gcc-bugs

$ ./cc1plus --version 
GNU C++ version 4.0.0 20040922 (experimental) (x86_64-unknown-linux-gnu) 
        compiled by GNU C version 4.0.0 20040922 (experimental). 
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 
$ ./cc1plus -w -quiet t.cc -O 
 
 Conflict chunks_41 and chunks_45 across an abnormal edge from BB37->BB41 
t.cc: In member function `DJVU::GUTF8String 
DJVU::DjVuFile::get_chunk_name(int)': 
t.cc:15232: internal compiler error: SSA corruption

-- 
           Summary: [4.0 Regression] ICE: SSA corruption (another one)
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: steven at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
  2004-09-22 23:09 ` [Bug tree-optimization/17624] " steven at gcc dot gnu dot org
@ 2004-09-22 23:09 ` steven at gcc dot gnu dot org
  2004-09-22 23:29 ` pinskia at gcc dot gnu dot org
                   ` (10 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: steven at gcc dot gnu dot org @ 2004-09-22 23:09 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From steven at gcc dot gnu dot org  2004-09-22 23:09 -------
Created an attachment (id=7199)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7199&action=view)
Test case for this bug


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
@ 2004-09-22 23:09 ` steven at gcc dot gnu dot org
  2004-09-22 23:09 ` steven at gcc dot gnu dot org
                   ` (11 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: steven at gcc dot gnu dot org @ 2004-09-22 23:09 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From steven at gcc dot gnu dot org  2004-09-22 23:09 -------
Looks like another one for Andrew MacLeod. 
I'm keeping him busy with these ICEs :-) 

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |amacleod at redhat dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
  2004-09-22 23:09 ` [Bug tree-optimization/17624] " steven at gcc dot gnu dot org
  2004-09-22 23:09 ` steven at gcc dot gnu dot org
@ 2004-09-22 23:29 ` pinskia at gcc dot gnu dot org
  2004-09-22 23:37 ` pinskia at gcc dot gnu dot org
                   ` (9 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 23:29 UTC (permalink / raw)
  To: gcc-bugs



-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (2 preceding siblings ...)
  2004-09-22 23:29 ` pinskia at gcc dot gnu dot org
@ 2004-09-22 23:37 ` pinskia at gcc dot gnu dot org
  2004-09-22 23:39 ` pinskia at gcc dot gnu dot org
                   ` (8 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 23:37 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-22 23:37 -------
Here is a reduced testcase:
int get_chunk(int);
int chunks_number;
void seek_close_chunk(void);
int recover_errors;
#define SKIP_CHUNKS 1

void
get_chunk_name(int chunk_num)
{
  int chkid; 
  int chunks=0;
  int last_chunk=0;
  try
  { 
    int chunks_left=-1;
    int chksize;
    for(;(chunks_left--)&&(chksize=get_chunk(chkid));last_chunk=chunks)
    {
      if (chunks++==chunk_num) { break; }
      seek_close_chunk();
    }
  }
  catch(int ex) {
    if (chunks_number < 0)
      chunks_number=(recover_errors>SKIP_CHUNKS)?chunks:last_chunk;
  };
}

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2004-09-22 23:37:35
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (3 preceding siblings ...)
  2004-09-22 23:37 ` pinskia at gcc dot gnu dot org
@ 2004-09-22 23:39 ` pinskia at gcc dot gnu dot org
  2004-09-22 23:55 ` pinskia at gcc dot gnu dot org
                   ` (7 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 23:39 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-22 23:39 -------
: Search converges between 2004-05-11-trunk (#454) and 2004-05-14-trunk (#455).
This is an old one.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (4 preceding siblings ...)
  2004-09-22 23:39 ` pinskia at gcc dot gnu dot org
@ 2004-09-22 23:55 ` pinskia at gcc dot gnu dot org
  2004-09-23  0:13 ` belyshev at lubercy dot com
                   ` (6 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 23:55 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-22 23:55 -------
Hmm, this looks like into SSA problem because disabling all tree optimization does nothing to ICE.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (5 preceding siblings ...)
  2004-09-22 23:55 ` pinskia at gcc dot gnu dot org
@ 2004-09-23  0:13 ` belyshev at lubercy dot com
  2004-09-23 20:29 ` steven at gcc dot gnu dot org
                   ` (5 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: belyshev at lubercy dot com @ 2004-09-23  0:13 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From belyshev at lubercy dot com  2004-09-23 00:13 -------
// here is slightly more reduced testcase:

extern void foo (void);

int c;

void foo (int n)
{
  int j = 0;
  try
    {
      for(;;)
	{
	  foo ();
	  if (j ++ == n)
	    break;
	  foo ();
	}
    }
  catch (...)
    {
      c = j;
    }
}


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (6 preceding siblings ...)
  2004-09-23  0:13 ` belyshev at lubercy dot com
@ 2004-09-23 20:29 ` steven at gcc dot gnu dot org
  2004-09-23 20:50 ` pinskia at gcc dot gnu dot org
                   ` (4 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: steven at gcc dot gnu dot org @ 2004-09-23 20:29 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From steven at gcc dot gnu dot org  2004-09-23 20:29 -------
This is caused by forwprop. 

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |law at redhat dot com
   Last reconfirmed|2004-09-22 23:37:35         |2004-09-23 20:29:06
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (7 preceding siblings ...)
  2004-09-23 20:29 ` steven at gcc dot gnu dot org
@ 2004-09-23 20:50 ` pinskia at gcc dot gnu dot org
  2004-09-23 21:18 ` pinskia at gcc dot gnu dot org
                   ` (3 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-23 20:50 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-23 20:50 -------
I have a fix for forward propagate will submit once I do some testing on it.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |pinskia at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (8 preceding siblings ...)
  2004-09-23 20:50 ` pinskia at gcc dot gnu dot org
@ 2004-09-23 21:18 ` pinskia at gcc dot gnu dot org
  2004-09-24 13:26 ` cvs-commit at gcc dot gnu dot org
                   ` (2 subsequent siblings)
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-23 21:18 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-23 21:18 -------
Patch here: <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02451.html>.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (9 preceding siblings ...)
  2004-09-23 21:18 ` pinskia at gcc dot gnu dot org
@ 2004-09-24 13:26 ` cvs-commit at gcc dot gnu dot org
  2004-09-24 13:29 ` cvs-commit at gcc dot gnu dot org
  2004-09-24 13:30 ` pinskia at gcc dot gnu dot org
  12 siblings, 0 replies; 14+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2004-09-24 13:26 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-24 13:26 -------
Subject: Bug 17624

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2004-09-24 13:26:31

Modified files:
	gcc            : ChangeLog tree-ssa-forwprop.c 

Log message:
	2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/17624
	* tree-ssa-forwprop.c (record_single_argument_cond_exprs):
	Reject if any of the operands occur in an abnormal PHI.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5599&r2=2.5600
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-forwprop.c.diff?cvsroot=gcc&r1=2.7&r2=2.8



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (10 preceding siblings ...)
  2004-09-24 13:26 ` cvs-commit at gcc dot gnu dot org
@ 2004-09-24 13:29 ` cvs-commit at gcc dot gnu dot org
  2004-09-24 13:30 ` pinskia at gcc dot gnu dot org
  12 siblings, 0 replies; 14+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2004-09-24 13:29 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-24 13:29 -------
Subject: Bug 17624

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2004-09-24 13:29:25

Modified files:
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/opt: pr17624.C 

Log message:
	2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/17624
	* g++.dg/opt/pr17624.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4340&r2=1.4341
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/opt/pr17624.C.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [Bug tree-optimization/17624] [4.0 Regression] ICE: SSA corruption (another one)
  2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
                   ` (11 preceding siblings ...)
  2004-09-24 13:29 ` cvs-commit at gcc dot gnu dot org
@ 2004-09-24 13:30 ` pinskia at gcc dot gnu dot org
  12 siblings, 0 replies; 14+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-24 13:30 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-24 13:30 -------
Fixed.

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17624


^ permalink raw reply	[flat|nested] 14+ messages in thread
end of thread, other threads:[~2004-09-24 13:30 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-09-22 23:08 [Bug tree-optimization/17624] New: [4.0 Regression] ICE: SSA corruption (another one) steven at gcc dot gnu dot org
2004-09-22 23:09 ` [Bug tree-optimization/17624] " steven at gcc dot gnu dot org
2004-09-22 23:09 ` steven at gcc dot gnu dot org
2004-09-22 23:29 ` pinskia at gcc dot gnu dot org
2004-09-22 23:37 ` pinskia at gcc dot gnu dot org
2004-09-22 23:39 ` pinskia at gcc dot gnu dot org
2004-09-22 23:55 ` pinskia at gcc dot gnu dot org
2004-09-23  0:13 ` belyshev at lubercy dot com
2004-09-23 20:29 ` steven at gcc dot gnu dot org
2004-09-23 20:50 ` pinskia at gcc dot gnu dot org
2004-09-23 21:18 ` pinskia at gcc dot gnu dot org
2004-09-24 13:26 ` cvs-commit at gcc dot gnu dot org
2004-09-24 13:29 ` cvs-commit at gcc dot gnu dot org
2004-09-24 13:30 ` pinskia at gcc dot gnu dot org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).