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: unassig...@gcc.gnu.org
ReportedBy: g...@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)
