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[Bug middle-end/20917] New: ICE in schedule_insns at sched-rg.c:2549

Compiling GLIBC on s390-linux-gnu I get the following ICE:

gcc pthread.c -c -std=gnu99 -DNDEBUG=1 -O2 -Wall -Winline -Wstrict-prototypes
-Wwrite-strings -fmessage-length=0 -g   -fpic -D__NO_WEAK_PTHREAD_ALIASES
-DHAVE_Z_NODELETE  -DIS_IN_linuxthreads=1 -I../include -I.
-I/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads -I.. -I../libio 
-I/usr/src/packages/BUILD/glibc-2.3/cc -I../sysdeps/s390/s390-32/elf
-I../linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32
-I../linuxthreads/sysdeps/unix/sysv/linux/s390
-I../linuxthreads/sysdeps/unix/sysv/linux -I../linuxthreads/sysdeps/pthread
-I../sysdeps/pthread -I../linuxthreads/sysdeps/unix/sysv
-I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/s390/s390-32
-I../linuxthreads/sysdeps/s390 -I../libidn/sysdeps/unix
-I../sysdeps/unix/sysv/linux/s390/s390-32 -I../sysdeps/unix/sysv/linux/s390
-I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common
-I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/s390/s390-32
-I../sysdeps/wordsize-32 -I../sysdeps/s390/fpu -I../sysdeps/s390
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754
-I../sysdeps/generic/elf -I../sysdeps/generic -nostdinc -isystem
/usr/lib/gcc/s390-suse-linux/4.0.0/include -isystem
/usr/src/packages/BUILD/kernel-headers -D_LIBC_REENTRANT -include
../include/libc-symbols.h  -DPIC -DSHARED -DNOT_IN_libc=1 -DIS_IN_libpthread=1 
  -o /usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os -MD -MP -MF
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os.dt -MT
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os -save-temps -v
Using built-in specs.
Target: s390-suse-linux
Configured with: ../configure --enable-threads=posix --prefix=/usr
--with-local-prefix=/usr/local --infodir=/usr/share/info --mandir=/usr/share/man
--libdir=/usr/lib --libexecdir=/usr/lib
--enable-languages=c,c++,objc,f95,java,ada --enable-checking
--with-gxx-include-dir=/usr/include/c++/4.0.0 --with-slibdir=/lib
--with-system-zlib --enable-shared --enable-__cxa_atexit
--without-system-libunwind s390-suse-linux
Thread model: posix
gcc version 4.0.0 20050408 (prerelease) (SUSE Linux)
 /usr/lib/gcc/s390-suse-linux/4.0.0/cc1 -E -quiet -nostdinc -v -I../include -I.
-I/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads -I.. -I../libio
-I/usr/src/packages/BUILD/glibc-2.3/cc -I../sysdeps/s390/s390-32/elf
-I../linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32
-I../linuxthreads/sysdeps/unix/sysv/linux/s390
-I../linuxthreads/sysdeps/unix/sysv/linux -I../linuxthreads/sysdeps/pthread
-I../sysdeps/pthread -I../linuxthreads/sysdeps/unix/sysv
-I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/s390/s390-32
-I../linuxthreads/sysdeps/s390 -I../libidn/sysdeps/unix
-I../sysdeps/unix/sysv/linux/s390/s390-32 -I../sysdeps/unix/sysv/linux/s390
-I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common
-I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/s390/s390-32
-I../sysdeps/wordsize-32 -I../sysdeps/s390/fpu -I../sysdeps/s390
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754
-I../sysdeps/generic/elf -I../sysdeps/generic -MD
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.d -MF
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os.dt -MP -MT
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os -MQ
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os -DNDEBUG=1
-D__NO_WEAK_PTHREAD_ALIASES -DHAVE_Z_NODELETE -DIS_IN_linuxthreads=1
-D_LIBC_REENTRANT -DPIC -DSHARED -DNOT_IN_libc=1 -DIS_IN_libpthread=1 -isystem
/usr/lib/gcc/s390-suse-linux/4.0.0/include -isystem
/usr/src/packages/BUILD/kernel-headers -include ../include/libc-symbols.h
pthread.c -m31 -mesa -march=g5 -std=gnu99 -Wall -Winline -Wstrict-prototypes
-Wwrite-strings -fmessage-length=0 -fpic -fworking-directory -O2
-fpch-preprocess -o pthread.i
#include "..." search starts here:
#include <...> search starts here:
 ../include
 .
 /usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads
 ..
 ../libio
 /usr/src/packages/BUILD/glibc-2.3/cc
 ../sysdeps/s390/s390-32/elf
 ../linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32
 ../linuxthreads/sysdeps/unix/sysv/linux/s390
 ../linuxthreads/sysdeps/unix/sysv/linux
 ../linuxthreads/sysdeps/pthread
 ../sysdeps/pthread
 ../linuxthreads/sysdeps/unix/sysv
 ../linuxthreads/sysdeps/unix
 ../linuxthreads/sysdeps/s390/s390-32
 ../linuxthreads/sysdeps/s390
 ../libidn/sysdeps/unix
 ../sysdeps/unix/sysv/linux/s390/s390-32
 ../sysdeps/unix/sysv/linux/s390
 ../sysdeps/unix/sysv/linux
 ../sysdeps/gnu
 ../sysdeps/unix/common
 ../sysdeps/unix/mman
 ../sysdeps/unix/inet
 ../sysdeps/unix/sysv
 ../sysdeps/unix
 ../sysdeps/posix
 ../sysdeps/s390/s390-32
 ../sysdeps/wordsize-32
 ../sysdeps/s390/fpu
 ../sysdeps/s390
 ../sysdeps/ieee754/dbl-64
 ../sysdeps/ieee754/flt-32
 ../sysdeps/ieee754
 ../sysdeps/generic/elf
 ../sysdeps/generic
 /usr/lib/gcc/s390-suse-linux/4.0.0/include
 /usr/src/packages/BUILD/kernel-headers
End of search list.
 /usr/lib/gcc/s390-suse-linux/4.0.0/cc1 -fpreprocessed pthread.i -quiet
-dumpbase pthread.c -m31 -mesa -march=g5 -auxbase-strip
/usr/src/packages/BUILD/glibc-2.3/cc/linuxthreads/pthread.os -g -O2 -Wall
-Winline -Wstrict-prototypes -Wwrite-strings -std=gnu99 -version
-fmessage-length=0 -fpic -o pthread.s
GNU C version 4.0.0 20050408 (prerelease) (SUSE Linux) (s390-suse-linux)
        compiled by GNU C version 4.0.0 20050408 (prerelease) (SUSE Linux).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
pthread.c: In function ?__pthread_initialize_minimal?:
pthread.c:411: internal compiler error: in schedule_insns, at sched-rgn.c:2549
Please submit a full bug report,
with preprocessed source if appropriate.

-- 
           Summary: ICE in schedule_insns at sched-rg.c:2549
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aj at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org,matz at suse dot
                    de,uweigand at de dot ibm dot com
 GCC build triplet: s390-linux-gnu
  GCC host triplet: s390-linux-gnu
GCC target triplet: s390-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20917
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