[Bug target/64268] New: [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[Bug target/64268] New: [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64268

            Bug ID: 64268
           Summary: [5 Regression] bootstrap failure (ICE in
                    wide_int_to_tree, at tree.c:1438) on powerpc in
                    libgcc, stage2
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

seen with 20141211, r218620, failing to configure libgcc:

configure:3427: /home/doko/gcc/gcc-snapshot-20141211/build/./gcc/xgcc
-B/home/doko/gcc/gcc-snapsho
t-20141211/build/./gcc/ -B/usr/lib/gcc-snapshot/powerpc-linux-gnu/bin/
-B/usr/lib/gcc-snapshot/pow
erpc-linux-gnu/lib/ -isystem /usr/lib/gcc-snapshot/powerpc-linux-gnu/include
-isystem /usr/lib/gcc
-snapshot/powerpc-linux-gnu/sys-include    -o conftest -g -O2   conftest.c  >&5
<built-in>: internal compiler error: in wide_int_to_tree, at tree.c:1438
Please submit a full bug report,
with preprocessed source if appropriate.

[Bug target/64268] [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64268

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |5.0

[Bug target/64268] [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64268

David Edelsohn <dje at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|powerpc-linux-gnu           |powerpc-linux-gnu,
                   |                            |powerpc-ibm-aix*
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-12-11
                 CC|                            |dje at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from David Edelsohn <dje at gcc dot gnu.org> ---
I'm seeing the same failure on AIX.

[Bug target/64268] [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64268

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Fri Dec 19 19:55:32 2014
New Revision: 218971

URL: https://gcc.gnu.org/viewcvs?rev=218971&root=gcc&view=rev
Log:
    PR target/64268
    * combine.c (try_combine): Immediately return if any of I0,I1,I2
    are the same insn.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c

[Bug target/64268] [5 Regression] bootstrap failure (ICE in wide_int_to_tree, at tree.c:1438) on powerpc in libgcc, stage2

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64268

Matthias Klose <doko at gcc dot gnu.org> changed:

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

--- Comment #3 from Matthias Klose <doko at gcc dot gnu.org> ---
this fixes the issue. still unable to build the 64bit libbacktrace later, but
this is a different issue.