Following (valid I believe) code causes internal compiler error:
enum class E : char
{
e1,
e2
};
inline E operator| (E a1, E a2)
{
char ret = static_cast<char> (a1)
| static_cast<char> (a2);
return static_cast<E>(ret);
}
g++-4.4.0-alpha20081010 -v -c -std=c++0x enum_class_ice.cc
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with:
/var/tmp/paludis/sys-devel-gcc-4.4.0_alpha20081010/work/gcc-4.4-20081010/configure
--prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.4.0-alpha20081010
--includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include
--datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010
--mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010/man
--infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010/info
--with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include/g++-v4
--host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec
--enable-nls --without-included-gettext --with-system-zlib --disable-checking
--disable-werror --enable-secureplt --disable-multilib --enable-libmudflap
--disable-libssp --enable-cld --disable-libgcj --with-arch=i686
--enable-languages=c,c++ --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo
4.4.0_alpha20081010'
Thread model: posix
gcc version 4.4.0-alpha20081010 (experimental) (Gentoo 4.4.0_alpha20081010)
COLLECT_GCC_OPTIONS='-v' '-c' '-std=c++0x' '-E' '-shared-libgcc'
'-mtune=generic' '-march=i686'
/usr/libexec/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/cc1plus -E -quiet -v
-D_GNU_SOURCE enum_class_ice.cc -mtune=generic -march=i686 -std=c++0x
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include/g++-v4
/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include/g++-v4/i686-pc-linux-gnu
/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include/g++-v4/backward
/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include
/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include-fixed
/usr/include
End of search list.
COMPILER_PATH=/usr/libexec/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/libexec/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/libexec/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/lib/gcc/i686-pc-linux-gnu/:/usr/libexec/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/libexec/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/lib/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/../../../../i686-pc-linux-gnu/bin/
LIBRARY_PATH=/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/../../../../i686-pc-linux-gnu/lib/:/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-c' '-std=c++0x' '-E' '-shared-libgcc'
'-mtune=generic' '-march=i686'
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with:
/var/tmp/paludis/sys-devel-gcc-4.4.0_alpha20081010/work/gcc-4.4-20081010/configure
--prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.4.0-alpha20081010
--includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include
--datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010
--mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010/man
--infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.4.0-alpha20081010/info
--with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/include/g++-v4
--host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec
--enable-nls --without-included-gettext --with-system-zlib --disable-checking
--disable-werror --enable-secureplt --disable-multilib --enable-libmudflap
--disable-libssp --enable-cld --disable-libgcj --with-arch=i686
--enable-languages=c,c++ --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo
4.4.0_alpha20081010'
Thread model: posix
gcc version 4.4.0-alpha20081010 (experimental) (Gentoo 4.4.0_alpha20081010)
COLLECT_GCC_OPTIONS='-v' '-c' '-std=c++0x' '-o'
'/home/prak/.ccache/tmp.hash.sandra.23558.o' '-shared-libgcc' '-mtune=generic'
'-march=i686'
/usr/libexec/gcc/i686-pc-linux-gnu/4.4.0-alpha20081010/cc1plus -fpreprocessed
/home/prak/.ccache/enum_class.tmp.sandra.23558.ii -quiet -dumpbase
enum_class.tmp.sandra.23558.ii -mtune=generic -march=i686 -auxbase-strip
/home/prak/.ccache/tmp.hash.sandra.23558.o -std=c++0x -version -o
/tmp/ccpib1aZ.s
GNU C++ (Gentoo 4.4.0_alpha20081010) version 4.4.0-alpha20081010
(experimental) (i686-pc-linux-gnu)
compiled by GNU C version 4.4.0-alpha20081010 (experimental), GMP
version 4.2.4, MPFR version 2.3.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 3bd1a7449bb261a218b8d8c78fb46226
enum_class_ice.cc: In function E operator|(E, E):
enum_class_ice.cc:10: internal compiler error: in common_type, at
cp/typeck.c:779
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.gentoo.org/> for instructions.
--
Summary: ICE with enum class
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: piotr dot rak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37946
