[Bug bootstrap/12936] New: [tree-ssa] ICE in expr_phi_insertion at -O3

[Bug bootstrap/12936] New: [tree-ssa] ICE in expr_phi_insertion at -O3

[green at redhat dot com]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

           Summary: [tree-ssa] ICE in expr_phi_insertion at -O3
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: green at redhat dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-elf

I'll upload the .i file.

$ gcc --version
gcc (GCC) 3.5-tree-ssa 20031107 (merged 20031026)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
$ gcc -O3 -c match.i
../../src/HEAD-2003-11-07/gcc/fortran/match.c: In function `gfc_match':
 
../../src/HEAD-2003-11-07/gcc/fortran/match.c:616: internal compiler error: tree
check: accessed operand 2 of va_arg_expr with 1 operands in expr_phi_insertion,
at tree-ssa-pre.c:770
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

[Bug bootstrap/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[green at redhat dot com]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936



------- Additional Comments From green at redhat dot com  2003-11-07 06:24 -------
Created an attachment (id=5082)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5082&action=view)
Preprocessed source

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |critical
          Component|bootstrap                   |optimization
           Keywords|                            |ice-on-valid-code
           Priority|P2                          |P1
   Target Milestone|---                         |tree-ssa

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |dberlin at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
           Keywords|                            |build


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-07 16:23 -------
PRE's Daniel Berlin area.

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-09 04:13 -------
I can reproduce this on powerpc-apple-dariwn7.0.0.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|0000-00-00 00:00:00         |2003-11-09 04:13:15
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[dberlin at gcc dot gnu dot org]

------- Additional Comments From dberlin at gcc dot gnu dot org  2003-11-09 05:14 -------
*** Bug 12942 has been marked as a duplicate of this bug. ***

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[dberlin at gcc dot gnu dot org]

------- Additional Comments From dberlin at gcc dot gnu dot org  2003-11-09 05:14 -------
I've got a patch to fix this, i'm just waiting for the tree to settle down.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-11-11 16:07 -------
Subject: Bug 12936

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	pinskia@gcc.gnu.org	2003-11-11 16:07:38

Modified files:
	gcc            : ChangeLog.tree-ssa 

Log message:
	Add PR optimzation/12936 to the patch which fixed it.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.839&r2=1.1.2.840



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-11 16:09 -------
Fixed by (I added the PR number to the changeLog already):
2003-11-11  Daniel Berlin  <dberlin@dberlin.org>

       Fix PR optimization/12936
	* tree-ssa-pre.c (expr_phi_insertion): Remove unused code that was
	causing ICE's for VA_ARG_EXPR.




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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-12 16:00 -------
Not fully fixed:
/Volumes/UFS_Partition/pinskia/src/gccssa/src/gcc/fortran/match.c:616: internal compiler error: 
tree check: accessed operand 2 of va_arg_expr with 1 operands in 
load_modified_real_occ_real_occ, at tree-ssa-pre.c:1353

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-12 16:01 -------
still PRE is Daniel Berlin's area.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|                            |1
   Last reconfirmed|2003-11-09 04:13:15         |2003-11-12 16:01:04
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936

[Bug optimization/12936] [tree-ssa] ICE in expr_phi_insertion at -O3

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-15 02:39 -------
Fixed.

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12936