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Subject: [Bug rtl-optimization/55396] New: -O2 -m32 -fno-omit-frame-pointer: internal compiler error: in check_rtl, at lra.c:2007
Date: Mon, 19 Nov 2012 19:49:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55396

             Bug #: 55396
           Summary: -O2 -m32 -fno-omit-frame-pointer: internal compiler
                    error: in check_rtl, at lra.c:2007
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gcc@breakpoint.cc


Created attachment 28736
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28736
pre-processed file

Compiling the linux kernel ends with:

|kernel/sched/core.c: In function '__schedule':
|kernel/sched/core.c:2891:1: internal compiler error: in check_rtl, at
lra.c:2007
| }
| ^

While removing Compiler options the ICE goes away if one of the following
options 
is removed: "-O2 -m32 -fno-omit-frame-pointer"

gcc -v says:
Using built-in specs.
COLLECT_GCC=/usr/lib/gcc-snapshot/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc-snapshot/libexec/gcc/x86_64-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 20121116-1'
--with-bugurl=file:///usr/share/doc/gcc-snapshot/README.Bugs
--enable-languages=c,ada,c++,java,go,fortran,objc,obj-c++
--prefix=/usr/lib/gcc-snapshot --enable-shared --enable-linker-build-id
--with-system-zlib --disable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--enable-plugin --disable-browser-plugin --enable-java-awt=gtk
--enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-snap
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --with-arch-32=i586 --with-abi=m64
--with-multilib-list=m32,m64 --with-tune=generic --disable-werror
--enable-checking=yes --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.8.0 20121116 (experimental) [trunk revision 193562] (Debian
20121116-1)