http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640
Bug #: 56640
Summary: [4.8 Regression] bootstrap failure on
arm-linux-gnueabi{,hf}
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: d...@gcc.gnu.org
seen with the 4.8.0 release candidate on arm-linux-gnueabi{,hf}
/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/./prev-gcc/xg++
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/./prev-gcc/
-B/usr/arm-linux-gnueabihf/bin/ -nostdinc++
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/src/.libs
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/libsupc++/.libs
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/include/arm-linux-gnueabihf
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/include
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/src/libstdc++-v3/libsupc++
-L/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/src/.libs
-L/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/libsupc++/.libs
-c -g -O2 -gtoggle -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -DHAVE_CONFIG_H -I. -I.
-I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include
-I../../src/gcc/../libcpp/include -I../../src/gcc/../libdecnumber
-I../../src/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../src/gcc/../libbacktrace -DCLOOG_INT_GMP ../../src/gcc/ira.c -o ira.o
../../src/gcc/ira.c: In function 'void print_translated_classes(FILE*, bool)':
../../src/gcc/ira.c:1396:49: error: iteration 16u invokes undefined behavior
[-Werror=aggressive-loop-optimizations]
fprintf (f, " %s -> %s\n", reg_class_names[i],
^
../../src/gcc/ira.c:1395:3: note: containing loop
for (i = 0; i < N_REG_CLASSES; i++)
^
cc1plus: all warnings being treated as errors
make[5]: *** [ira.o] Error 1
configured with
Configured with: -v
--with-pkgversion='Debian 4.8-20130315-1'
--with-bugurl='file:///usr/share/doc/gcc-4.8/README.Bugs'
--enable-languages=c,c++,go,fortran,objc,obj-c++
--prefix=/usr
--program-suffix=-4.8
--enable-shared
--enable-linker-build-id
--libexecdir=/usr/lib
--without-included-gettext
--enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.8
--libdir=/usr/lib
--enable-nls
--with-sysroot=/
--enable-clocale=gnu
--enable-libstdcxx-debug
--enable-libstdcxx-time=yes
--enable-gnu-unique-object
--disable-libitm
--enable-plugin
--with-system-zlib
--enable-objc-gc
--enable-multiarch
--disable-sjlj-exceptions
--with-arch=armv7-a
--with-fpu=vfpv3-d16
--with-float=hard
--with-mode=thumb
--enable-checking=release
--build=arm-linux-gnueabihf
--host=arm-linux-gnueabihf
--target=arm-linux-gnueabihf
and
Configured with: -v
--with-pkgversion='Debian 4.8-20130315-1'
--with-bugurl='file:///usr/share/doc/gcc-4.8/README.Bugs'
--enable-languages=c,c++,go,fortran,objc,obj-c++
--prefix=/usr
--program-suffix=-4.8
--enable-shared
--enable-linker-build-id
--libexecdir=/usr/lib
--without-included-gettext
--enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.8
--libdir=/usr/lib
--enable-nls
--with-sysroot=/
--enable-clocale=gnu
--enable-libstdcxx-debug
--enable-libstdcxx-time=yes
--enable-gnu-unique-object
--disable-libitm
--enable-plugin
--with-system-zlib
--enable-objc-gc
--enable-multiarch
--disable-sjlj-exceptions
--with-arch=armv4t
--with-float=soft
--enable-checking=release
--build=arm-linux-gnueabi
--host=arm-linux-gnueabi
--target=arm-linux-gnueabi
