[Bug c/41883] New: ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[Bug c/41883] New: ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[b3timmons at speedymail dot org]

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gcc -B. -r -nostdlib extension.i -v -Wall -Wextra -O  -fprofile-arcs
-fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /home/b3po/build/gcc/gcc/configure --with-mpfr=/usr/local
--with-gmp=/usr/local --with-ppl=/usr/local --with-cloog=/usr/local
--with-mpc=/usr/local --with-libelf=/usr/local --enable-languages=c,c++
--enable-__cxa_atexit --enable-targets=all
Thread model: posix
gcc version 4.5.0 20091028 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-B.' '-r' '-nostdlib' '-v' '-Wall' '-Wextra' '-O'
'-fprofile-arcs' '-fsched2-use-superblocks' '-ftree-vrp' '-fschedule-insns2'
'-freorder-blocks' '-mtune=generic'
 /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/cc1 -fpreprocessed
extension.i -quiet -dumpbase extension.i -mtune=generic -auxbase extension -O
-Wall -Wextra -version -fprofile-arcs -fsched2-use-superblocks -ftree-vrp
-fschedule-insns2 -freorder-blocks -o /tmp/cc2sEsCc.s
GNU C (GCC) version 4.5.0 20091028 (experimental) (x86_64-unknown-linux-gnu)   
        compiled by GNU C version 4.5.0 20091028 (experimental), GMP version
4.3.1, MPFR version 2.4.1, MPC version 0.7
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C (GCC) version 4.5.0 20091028 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.5.0 20091028 (experimental), GMP version
4.3
.1, MPFR version 2.4.1, MPC version 0.7
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: c30658ecf2032071e4fe041bf17f02de
extension.c: In function ‘FindExtension’:
extension.c:206:16: warning: comparison between signed and unsigned integer
expressions
extension.c:208:35: warning: comparison between signed and unsigned integer
expressions
extension.c:213:45: warning: comparison between signed and unsigned integer
expressions
extension.c:219:16: warning: comparison between signed and unsigned integer
expressions
extension.c: In function ‘GetExtensionEntry’:
extension.c:247:15: warning: comparison between signed and unsigned integer
expressions
extension.c: In function ‘ProcListExtensions’:
extension.c:353:20: warning: comparison between signed and unsigned integer
expressions
extension.c:368:20: warning: comparison between signed and unsigned integer
expressions
extension.c:392:1: internal compiler error: in
dwarf2out_frame_debug_adjust_cfa, at dwarf2out.c:1859


-- 
           Summary: ICE from '-O  -fprofile-arcs -fsched2-use-superblocks -
                    ftree-vrp -fschedule-insns2 -freorder-blocks'
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: b3timmons at speedymail dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug c/41883] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[b3timmons at speedymail dot org]

------- Comment #1 from b3timmons at speedymail dot org  2009-10-30 22:48 -------
Created an attachment (id=18935)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18935&action=view)
gzipped preprocessed source triggering failure


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |middle-end
            Summary|ICE from '-O  -fprofile-arcs|[4.5 Regression] ICE from '-
                   |-fsched2-use-superblocks -  |O  -fprofile-arcs -fsched2-
                   |ftree-vrp -fschedule-insns2 |use-superblocks -ftree-vrp -
                   |-freorder-blocks'           |fschedule-insns2 -freorder-
                   |                            |blocks'
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[reichelt at gcc dot gnu dot org]

------- Comment #2 from reichelt at gcc dot gnu dot org  2009-11-20 12:23 -------
Confirmed. Reduced testcase (crashes with "-fprofile-arcs
-fsched2-use-superblocks -fschedule-insns2 -freorder-blocks -O"):

================================
int foo(int i)
{
  if (i)
    return 0;
  __builtin_alloca(4);
  return 0;
}
================================


-- 

reichelt at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |reichelt at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2009-11-20 12:23:29
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[hjl dot tools at gmail dot com]

------- Comment #3 from hjl dot tools at gmail dot com  2009-12-27 21:34 -------
This is caused by revision 147995:

http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00974.html


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rth at gcc dot gnu dot org]

------- Comment #4 from rth at gcc dot gnu dot org  2010-01-06 18:23 -------
*** Bug 41889 has been marked as a duplicate of this bug. ***


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rth at gcc dot gnu dot org]

-- 

rth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rth at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2009-11-20 12:23:29         |2010-01-06 18:24:22
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rth at gcc dot gnu dot org]

------- Comment #5 from rth at gcc dot gnu dot org  2010-01-06 18:24 -------
*** Bug 42396 has been marked as a duplicate of this bug. ***


-- 

rth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zsojka at seznam dot cz


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rth at gcc dot gnu dot org]

------- Comment #6 from rth at gcc dot gnu dot org  2010-01-06 18:34 -------
Subject: Bug 41883

Author: rth
Date: Wed Jan  6 18:34:31 2010
New Revision: 155680

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155680
Log:
        PR middle-end/41883
        * haifa-sched.c (add_to_note_list): Merge into ...
        (concat_note_lists): ... here, and ...
        (unlink_other_notes, rm_other_notes): Merge into...
        (remove_notes): ... here.  Create REG_SAVE_NOTEs for
        NOTE_INSN_EPILOGUE_BEG.

Added:
    trunk/gcc/testsuite/gcc.dg/pr42396.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/haifa-sched.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883

[Bug middle-end/41883] [4.5 Regression] ICE from '-O -fprofile-arcs -fsched2-use-superblocks -ftree-vrp -fschedule-insns2 -freorder-blocks'

[rth at gcc dot gnu dot org]

------- Comment #7 from rth at gcc dot gnu dot org  2010-01-06 18:48 -------
Fixed.


-- 

rth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41883